Course contents
Practitioner · Course 5: Activewear and Performance Products · Lesson 2 of 4

Activewear-specific quality faults and how to inspect for them

Level: PractitionerTime: 45 minutesOrder used: None (illustrative activewear order only, reused from lesson 6.5.1)Tool: Activewear order quality checklist — the fault-related check points
This lesson is for a quality inspector, a merchandiser or a new entrant who checks an activewear order's own quality faults before it ships. It follows T06-C05-L01; no fixed activewear order exists yet in this academy's master cast, so this lesson reuses the same illustrative training-top order introduced in lesson 6.5.1. Figures are teaching examples.
FactoryDelta Garments, activewear quality inspection
Order usedNone — illustrative training-top order, reused from lesson 6.5.1
Fault types taughtFive activewear-specific quality faults
Contrast caseOrder A's basic single jersey T-shirt (standard knit checks only)
Business modelMake to Stock, domestic (buyer: Cedar & Co.)
Checklist rowsStretch recovery, moisture-wicking, seam type, colour fastness, pilling
02Opening

This page explains five activewear-specific quality faults and how to check for each one, for anyone who inspects or approves an activewear order's quality

This page explains five activewear-specific quality faults and how to check for each one, for anyone who inspects or approves an activewear or performance-garment order's quality: a quality inspector, a merchandiser, or a new entrant to the trade. This lesson teaches decision flow: once a fault is found, the inspector still has to decide whether the batch is ready to ship or needs rework.

A quality inspector checking a basic knit like Order A's T-shirt already knows how to check even dyeing, correct shrinkage and ordinary fabric faults. An activewear garment carries its own separate set of faults that a standard knit checklist was never designed to catch, because the whole point of an activewear garment is a function a basic T-shirt does not need: stretch that recovers, moisture that moves away from the skin, and seams that survive constant friction.

Without knowing these five faults by name, an inspector can pass a batch that looks fine on every standard check and still ship a garment that stretches out of shape, holds sweat instead of wicking it, or chafes the skin. Each fault costs the factory money and the buyer's confidence in a different way.

03Before you start

What you need, and what this lesson does not cover

You need: T06-C05-L01 (what makes an activewear garment different), since this lesson's fault names build directly on the fibre, stretch and finish points taught there.

By the end of this lesson you can:

  • name five activewear-specific quality faults: stretch recovery loss, wicking-finish failure, seam chafe, colour fastness failure to perspiration, and pilling;
  • explain why a standard knit inspection routine such as Order A's does not test for any of these five faults;
  • tell a fastness-to-perspiration test apart from an ordinary wash-fastness test, and explain why activewear needs the perspiration-specific version;
  • run the five-point activewear fault-inspection pass on a sample batch;
  • decide that passing every standard knit check is not enough to approve an activewear batch for shipment.

Not covered here: what makes an activewear garment different from a standard knit (lesson T06-C05-L01); costing an activewear order (lesson T06-C05-L03); building a complete activewear order file (lesson T06-C05-L04).

04Key terms

Words you will meet in this lesson

TermMeaning
Stretch recoveryHow well a stretch fabric returns to shape, the property that matters over a garment's lifetime.
Moisture-wickingA fabric or finish designed to move sweat away from the skin to the fabric's outer surface.
Flatlock seamA low-bulk seam that lies flat against the skin instead of standing up, used at activewear chafe points such as the underarm and inseam.
Colour fastnessA rating for how well a fabric's dye resists fading or bleeding, usually stated as a numeric grade in a report's colour fastness section.
PillingSmall balls of loose fibre forming on a knitted garment's surface from wear friction, most common at underarms and side seams and more likely on coarser or lower-quality yarns.
Four-way stretchA fabric that stretches and recovers both lengthwise and widthwise, standard for compression and performance activewear, unlike a fabric that only stretches in one direction.
05Teaching
The rule

Activewear carries five fault types that a standard knit inspection was never designed to catch

Activewear carries fault types that either do not exist, or matter far more, on a garment like Order A's basic T-shirt. The five activewear-specific quality faults are: stretch recovery loss, where the fabric stays stretched out instead of springing back after repeated stretching; wicking-finish failure, where the fabric absorbs and holds moisture instead of moving it to the surface, defeating the fabric's main functional purpose; seam chafe, a standard seam at a friction point that irritates the skin during wear, instead of the low-bulk flatlock seam the point needed; colour fastness failure to perspiration, dye that bleeds or fades under sweat exposure rather than only under washing; and pilling, small fibre balls forming on the surface from the repeated rubbing activewear undergoes during exercise or equipment contact. Every one of these five points is checked and marked separately on the activewear order quality checklist, never collapsed into one overall verdict.

Standard knit checklistEven dyeingCorrect shrinkageBasic fabric faultsOrder A's T-shirt routeSays nothing about functionActivewear-specific checksStretch recovery, wicking,seam chafe, perspirationfastness, pillingNever tested by the standard routeNeeded because the garment is worn to move and sweat
Order A's standard knit checklist says nothing about the five activewear-specific points. A batch that passes every standard check can still fail as activewear.
What you meet in real life

The variants an inspector actually meets when checking an activewear order's own five fault types

What can differThe shapes you meetWhy it matters
Stretch recovery lossThe fabric stretches fine when new but stays baggy at the knee or elbow after repeated wearA recovery fault, not a stretch-percentage fault; the fabric still stretched the right amount, it just did not spring back
Wicking-finish failureThe fabric feels wet and heavy instead of drying quickly, often after several home launderingsA finish-application or finish-durability fault (the finish washed out), not a fibre-content fault, so a correct fibre ticket does not rule it out
Seam chafeVisible skin irritation reported from a garment with a standard seam at the underarmA construction fault, correctable by specifying a flatlock seam at the friction point instead of a standard seam
Colour fastness to perspiration failureDye transfer onto a light-coloured undergarment worn beneath the activewear top after a workoutA dye/fastness fault, checked with a specific perspiration-fastness test method, distinct from ordinary wash-fastness
Order shape, export or domesticThe same five fault types and the same checklist logic apply to an export Make to Order batch or a domestic Make to Stock batch alikeShows the fault-inspection method holds regardless of business model or market, as long as the garment is activewear
The case we follow

The illustrative training-top order introduced in lesson 6.5.1 is used again to show how each of the five fault types is checked

No real, fixed cast order for activewear exists yet in this academy. This lesson reuses the same illustrative training-top order introduced in lesson T06-C05-L01 to demonstrate how each of the five fault types is checked on the activewear order quality checklist, explicitly flagged as illustrative rather than a real cast fact. A quality inspector at Delta Garments, the same factory that makes Order A and Order B's own jeans, reviews a batch of the illustrative training top before shipment, using the five fault categories above as a targeted inspection beyond what Order A's basic T-shirt inspection would ever need to check.

Illustrative training topDelta Garments batchInspector checksfive named fault typesQuality checklistPass, Fail or Borderline
Delta Garments' inspector checks the illustrative training top's five activewear-specific points, then records each result on the quality checklist. No real cast activewear order exists yet, so this case is explicitly illustrative.
The worked number

A completed five-row check of the activewear order quality checklist's fault-related points

This lesson needs no calculation. The worked output is a completed check of the checklist's five fault-related rows, matching each activewear-specific fault to a plausible result and note, against the checklist's own example rows. As standard industry practice, pilling and colour fastness are each typically rated on a numeric grade scale, the same kind of grade already introduced generically for colour fastness at T03-C05-L04; no single grade value is presented here as a fixed cast figure.

Check itemWhat to verifyResult
Stretch recoveryFabric returns to its original dimension after repeated stretching, within the agreed tolerancePass
Moisture-wicking finishFinish moves moisture from the skin side to the fabric's outer face as specifiedFail
Seam type at chafe pointsFlatlock or other agreed low-bulk seam is used at underarm, inseam and other high-friction pointsBorderline
Colour fastness to perspirationDye does not bleed or fade under the perspiration-fastness test method the buyer specifiedPass
Pilling resistanceFabric surface does not form small fibre balls beyond the agreed rating after the standard rub testPass
The method

How to run the five-point activewear fault-inspection pass

  1. Test stretch recovery by stretching the fabric repeatedly and checking that it returns to its original dimension within the agreed tolerance, rather than staying permanently stretched.
  2. Test wicking behaviour by checking whether moisture moves to the fabric's outer surface as specified, not just relying on a fibre-content claim with no applied finish.
  3. Inspect seam type and finish at friction points, confirming a flatlock or other agreed low-bulk seam is used at the underarm, inseam and other high-friction points.
  4. Run the fastness-to-perspiration test specified by the buyer, checking that dye does not bleed or fade under sweat exposure.
  5. Run the standard pilling rub test and grade the result, recording it against the agreed pilling rating.
The trap

Applying only the standard knit-fault checklist and assuming it is sufficient for activewear

A common mistake is applying only the standard knit-fault checklist already covered for a garment like Order A and assuming it is sufficient for activewear. A garment can pass every standard knit check, even dyeing, correct shrinkage and no visible fabric faults, and still fail on activewear-specific points such as wicking-finish durability or seam chafe, faults a standard knit inspection was never designed to catch. An inspector who stops at the standard checklist risks approving a batch that a customer returns after the first sweaty workout, once the wicking finish washes out or the underarm seam starts to chafe.

06In plain words

A stretchy top can pass every check a plain T-shirt passes and still not be fit to exercise in. It might keep its colour and its size after washing, and still stay baggy at the knee after a few wears because the stretch does not spring back. It might feel dry to the touch in the shop and still soak up sweat instead of moving it away once it is worn to run in. A seam that feels fine standing still can rub the skin raw once the arm moves back and forth for an hour. Sweat can pull colour out of the fabric in a way plain washing never would. Small fibre balls can form where the fabric rubs against skin or equipment. None of these five problems show up on the checks a plain T-shirt needs, so a batch that passes all of those checks is not automatically ready to ship as activewear.

07Quick check
  • Stretch recovery loss means the fabric stretches fine when new but stays stretched out after repeated wear; it is a recovery fault, not a stretch-percentage fault.
  • Wicking-finish failure is usually the finish washing out over repeated launderings, not a wrong fibre content.
  • Seam chafe comes from a standard seam at a friction point; a flatlock seam is the fix.
  • Colour fastness to perspiration needs its own test method, since activewear meets sweat far more constantly than an ordinary garment meets washing.
  • Pilling is checked with a standard rub test and rated on a numeric grade scale.
  • The same five fault types, and the same checklist logic, apply whether the order is export or domestic.
08Workplace scenario

A batch of the illustrative activewear top passes every check on Order A's standard knit-inspection routine before an inspector is asked whether it is ready to ship

The facts in front of the inspector:

  • The batch is the illustrative training-top order, following lesson 6.5.1's own illustrative activewear order.
  • The batch passes every check on Order A's standard knit-inspection routine: even dyeing, correct shrinkage, no visible fabric faults.
  • No one has yet run the five activewear-specific checks on this batch.
  • Cedar & Co., the domestic buyer, is waiting for a ship-ready confirmation.

The document the inspector reads, the activewear order quality checklist's own five open rows:

Stretch recovery: [pending]. Moisture-wicking finish: [pending]. Seam type at chafe points: [pending]. Colour fastness to perspiration: [pending]. Pilling resistance: [pending].

Is the batch ready to ship as activewear? Decide before you open the answer.

Show decision

Not yet. Passing the standard knit checks says nothing about the five activewear-specific points: stretch recovery, wicking, seam chafe, perspiration fastness and pilling. The inspector must run the activewear-specific checklist separately before approving the batch.

Two facts, together, decide this. First, the standard knit checks (dyeing, shrinkage, basic fabric faults) test properties every knit garment shares, not the functional properties unique to activewear. Second, none of the checklist's five activewear-specific rows have been filled in yet, so there is no evidence either way on stretch recovery, wicking, seam chafe, perspiration fastness or pilling.

Shipping now, on the strength of the standard checks alone, risks approving a batch that fails one of these five points only once it reaches the customer, a far more expensive failure than finding it at inspection.

09What it costs

Mislogging an activewear batch as ready to ship based on standard checks alone risks a return once the functional fault appears in wear

This lesson's cost is framed qualitatively, since no separate cost figure for a missed activewear fault is fixed elsewhere in this academy. Shipping a batch that has only passed the standard knit checklist, without the five activewear-specific checks, risks a fault such as wicking-finish failure or a chafing seam surfacing only after the customer wears the garment to exercise, by which time the piece is already a return, not a rework.

That risk is not one garment. If the same finish batch, seam setting, or fabric lot produced the fault, every piece sharing that cause carries the same weakness, so the real cost is however many pieces share it, each a possible return. Running the five-point check at inspection costs only the inspector's time; skipping it risks the finished pieces and the buyer's confidence in the factory's own inspection.

10Working template

Activewear order quality checklist: the fault-related check points this lesson fills

Copy this table into the checklist. Fill each row from an actual test, not a guess.

Check itemWhat to verifyResult (your entry)Notes
Stretch recoveryFabric returns to original dimension after repeated stretching, within tolerancePass, Fail or Borderline
Moisture-wicking finishFinish moves moisture to the outer face as specifiedPass, Fail or Borderline
Seam type at chafe pointsFlatlock or other low-bulk seam used at underarm, inseam and other friction pointsPass, Fail or Borderline
Colour fastness to perspirationDye does not bleed under the buyer's perspiration testPass, Fail or Borderline
Pilling resistanceSurface does not form fibre balls beyond the agreed rating after the rub testPass, Fail or Borderline

Download the full working sheet from the link on this course's page.

Download the Activewear order quality checklist — the fault-related check points (Excel)

11Check yourself

1. Why can a garment pass every check on Order A's standard knit-inspection routine and still fail as activewear?

2. Why does activewear need a perspiration-specific colour fastness test rather than relying on a general wash-fastness result?

3. A batch of activewear leggings has passed the moisture-wicking, seam-type and pilling checks, but the perspiration-fastness test has not yet been run. What should the inspector do?

12Glossary
ENARFRTRMeaning
Four-way stretchتمدد رباعي الاتجاهاتExtensibilité quatre voiesDört yönlü esneklikA fabric that stretches and recovers both lengthwise and widthwise, standard for compression and performance activewear, unlike a fabric that only stretches in one direction.
Flatlock seamغرزة مسطحة (فلات لوك)Couture flatlockFlatlock dikişA low-bulk seam that lies flat against the skin instead of standing up, used at activewear chafe points such as the underarm and inseam.
Pillingالتكرّش (البيلينغ)Boulochage (pilling)Boncuklanma (pilling)Small balls of loose fibre forming on a knitted garment's surface from wear friction, most common at underarms and side seams and more likely on coarser or lower-quality yarns.
Stretch recoveryاسترجاع الشكل بعد التمددRécupération de l'élasticitéEsneklik geri dönüşüHow well a stretch fabric returns to shape, the property that matters over a garment's lifetime.
Colour fastnessثبات اللونSolidité des couleursRenk haslığıA rating for how well a fabric's dye resists fading or bleeding, usually stated as a numeric grade in a report's colour fastness section.
Moisture-wickingامتصاص العرق (نقل الرطوبة)Évacuation de l'humiditéNem emme (ter emme)A fabric or finish designed to move sweat away from the skin to the fabric's outer surface.
13Next

Lesson 6.5.3: Costing an activewear order

You now know how to name and check five activewear-specific quality faults beyond a standard knit's own fault checklist. The next lesson costs an activewear order, building on this course's fibre, stretch and finish terms. Back to the course map

14Ladder

RecognizeName the five activewear-specific quality faults and what each one looks like.
ConnectSee how the fibre, stretch and finish points from lesson 6.5.1 explain why these five faults exist.
CompareTell why a batch that passes Order A's standard knit checks can still fail as activewear.
DecideRun the five-point activewear fault-inspection pass and decide whether a batch is ready to ship.