Trailhead Union New Zealand: Swim School Programme Colour and Appearance Review
Trailhead Union is a New Zealand-based brand whose swim school programme is one of its most demanding programmes. Appearance decides whether a customer reorders. This review tracks how the chlorine-resistant swim knit holds its colour and surface through wear and washing for Trailhead Union.
Trailhead Union: Chlorine-Resistant Swim Knit in use during daily pool sessions for children and adults
Evaluation background
The programme covers training swimsuits, swim shorts and rash guards, used for daily pool sessions for children and adults. The environment is chlorinated water and repeated drying cycles and the requirement written into the brief was chlorine resistance with reliable shape retention. Fabric was selected on that basis rather than on price alone.
Fabric under evaluation
| Parameter | Value |
|---|---|
| Fabric | Chlorine-Resistant Swim Knit |
| Composition | PBT / polyester / elastane |
| Weight | 210 GSM |
| Width | 165 cm |
| Primary function | holds elasticity and colour through pool exposure |
| Target | less than 15% modulus loss after 100 pool hours |
| Test method | ISO 105-E03 |
| Additional note | sunscreen and chlorine tested together |
| Certification | OEKO-TEX Standard 100 |
Chlorine-Resistant Swim Knit close-up showing the fabric surface
Colour measurement
Shade was measured instrumentally against the approved standard and scored by eye under retail lighting. Both methods stayed inside the agreed tolerance across every lot.
Wash and light fastness
Colour fastness to washing reached grade 4-5 and light fastness met the requirement for daily pool sessions for children and adults. Shade change after repeated washing was not visible to the panel.
Evaluation session with the Trailhead Union team
Surface appearance
Pilling, snagging and shine were assessed after wear. No shine developed under chlorinated water and repeated drying cycles, which is where friction normally shows first on this product type.
Shade continuity
Production was consolidated into controlled dye lots so repeat orders match. Retained standards are held for two years to support reordering without new development.
Test records and inspection notes for the Swim School Programme
Scorecard
| Criterion | Result |
|---|---|
| Shade accuracy | 4.4 / 5 |
| Wash fastness | 4.9 / 5 |
| Light fastness | 4.5 / 5 |
| Surface appearance | 4.7 / 5 |
| Lot consistency | 4.3 / 5 |
“Development was transparent from the first sample and bulk matched the approval exactly.” — Trailhead Union Technical Team
Packed bulk rolls before shipment to New Zealand
Verdict and recommendation
Appearance was maintained through wear and washing, and the chlorine-resistant swim knit is approved for repeat orders against the retained shade standard. For Trailhead Union the practical next steps are to keep the current specification for the repeat, retain the shade standard, and issue ISO 105-E03 results with every lot so any claim can be supported with data.
