Everline Studio Norway: Odor-Free Warm-Up Hoodies Built on Capillary Wicking Plated Structure
Everline Studio is a Norway-based activewear label whose gym hoodies programme sells directly to consumers and through selected retail partners. The team asked us to rebuild the fabric from scratch because the garment smelled stale after a single session even straight out of the wash. The target was a fabric that stayed neutral through repeated wear between washes.

Everline Studio: odour-control swatch set for the gym hoodies programme
The challenge
The smell built up at the back panel and the cuffs, where sweat sits longest during a session. The previous fabric was a standard synthetic knit with no odour strategy, so bacteria broke the sweat down on the fabric and the smell became permanent after a few weeks. Rising returns with smell listed as the stated reason made the problem urgent: the brand needed a fix before the next bulk booking, not a new supplier search.
The fabric solution
We built the programme around Capillary Wicking Plated Structure on a polyester with channelled cross-section base. The mechanism matters: sweat is moved to the outer face and evaporated before bacteria can break it down. Keeping the base at brushed back fleece with 5% elastane and 300 GSM meant the hand, the stretch and the cover stayed exactly where the design team wanted them, because odour control changed the chemistry and the construction rather than the silhouette.

Wear trial and fit approval of the polyester with channelled cross-section fabric
Development and implementation
- Week 1: brief agreed, sweat zone mapped, target set as moisture management class above 4 with one-way transport above 300 by AATCC 195.
- Week 2–3: laboratory knits produced and tested; add-on level adjusted until the target was met with margin.
- Week 4–5: wear trial on finished gym hoodies, assessed after eight hours of wear.
- Pre-production: wash durability confirmed at permanent construction benefit, care wording written as never use fabric softener, which blocks the capillaries.
- Bulk: fixed recipe, consolidated dye lots, AATCC 195 repeated on every lot.
Specification delivered
| Parameter | Value |
|---|---|
| Product | Warm-Up Hoodies |
| Base construction | brushed back fleece with 5% elastane, 300 GSM |
| Odour-control system | Capillary Wicking Plated Structure |
| Performance target | moisture management class above 4 with one-way transport above 300 |
| Test method | AATCC 195 |
| Service life | permanent construction benefit |
| Added cost | under USD 0.10 per garment |
| Certification | OEKO-TEX Standard 100, REACH compliant inputs |
Results
Smell-related returns fell by 71% inside one season, and the style moved onto a fixed repeat recipe with test reports issued per lot. The odour value was re-measured on bulk fabric rather than on the approval sample, so the result reflects what customers actually received. The programme is now on its third repeat with the same recipe.
“Their team explained the mechanism in one sentence, and the bulk fabric behaved like the sample.” — Everline Studio Product Team

Inline inspection and packing before the gym hoodies shipment
Key takeaway
Odour control has to be engineered into the fabric, not sprayed onto it at the end. Defining the mechanism first and the test method second removed most of the risk in this programme. For Everline Studio, that turned a recurring complaint into a feature the brand could sell.