Nordkraft Wear Sweden: Martial Arts and Grappling Range Climate and Heat Evaluation
Nordkraft Wear is a Sweden-based brand whose martial arts and grappling range is one of its most demanding programmes. Heat changes how a fabric behaves, so we evaluated the seamless circular knit in genuinely hot conditions for Nordkraft Wear, based in Sweden.
Nordkraft Wear: Seamless Circular Knit in use during grappling and repeated mat contact
Evaluation background
The programme covers training tops, shorts and rash guards, used for grappling and repeated mat contact. The environment is high friction and frequent industrial laundering and the requirement written into the brief was tear strength with antibacterial protection. Fabric was selected on that basis rather than on price alone.
Fabric under evaluation
| Parameter | Value |
|---|---|
| Fabric | Seamless Circular Knit |
| Composition | polyamide / elastane seamless |
| Weight | 210 GSM |
| Width | 160 cm |
| Primary function | removes side seams so contact points stop rubbing |
| Target | above 20000 abrasion cycles without yarn breakage |
| Test method | ASTM D4966 |
| Additional note | zoned structure knitted directly into the tube |
| Certification | OEKO-TEX Standard 100 |
Seamless Circular Knit close-up showing the fabric surface
Test environment
Sessions ran at 30 to 34 degrees with high humidity, which is the condition where sweat cannot evaporate and complaints begin. Garments were weighed before and after each session to measure retained moisture.
Thermal behaviour
The fabric held above 20000 abrasion cycles without yarn breakage, and skin temperature stayed below the control fabric across the session. That difference is what a wearer describes simply as feeling cooler.
Evaluation session with the Nordkraft Wear team
Drying after the session
Garments were re-weighed at 30 and 60 minutes. The fabric released most of its moisture within the first half hour, which matters when Nordkraft Wear runs back-to-back sessions.
Comfort feedback
Wearers reported less cling and less chafe during grappling and repeated mat contact. Both improvements come from moving moisture rather than storing it, which is why construction mattered more than any finish in this test.
Test records and inspection notes for the Martial Arts and Grappling Range
Scorecard
| Criterion | Result |
|---|---|
| Heat comfort | 4.9 / 5 |
| Moisture transport | 4.5 / 5 |
| Drying speed | 4.6 / 5 |
| Cling and chafe | 4.3 / 5 |
| Odour control | 4.7 / 5 |
“Development was transparent from the first sample and bulk matched the approval exactly.” — Nordkraft Wear Technical Team
Packed bulk rolls before shipment to Sweden
Verdict and recommendation
For hot and humid markets the seamless circular knit is the right choice, provided the pattern keeps the ventilation zones exactly where we placed them. For Nordkraft Wear the practical next steps are to keep the current specification for the repeat, retain the shade standard, and issue ASTM D4966 results with every lot so any claim can be supported with data.
