Lumenfield Finland: Trail Running Programme Wearer Panel Review
Lumenfield is a Finland-based brand whose trail running programme is one of its most demanding programmes. Twelve regular wearers scored the graphene cooling knit over four weeks of long off-road efforts on mixed terrain. Their brief was simple: report what you notice, and what you would change.
Lumenfield: Graphene Cooling Knit in use during long off-road efforts on mixed terrain
Evaluation background
The programme covers trail shorts, technical tees and light shells, used for long off-road efforts on mixed terrain. The environment is mud, grit, wind and rapid weather changes and the requirement written into the brief was abrasion resistance with fast drying after stream crossings. Fabric was selected on that basis rather than on price alone.
Fabric under evaluation
| Parameter | Value |
|---|---|
| Fabric | Graphene Cooling Knit |
| Composition | 90% polyester / 10% spandex with graphene filament |
| Weight | 170 GSM |
| Width | 165 cm |
| Primary function | gives an instant cool touch and spreads heat away from the body |
| Target | Q-max above 0.20 W/cm2 |
| Test method | Q-max contact cool feeling measurement |
| Additional note | far infrared emissivity above 0.88 |
| Certification | OEKO-TEX Standard 100 |
Graphene Cooling Knit close-up showing the fabric surface
Panel composition
The panel mixed ages and experience levels, all training at least three times a week in mud, grit, wind and rapid weather changes. Each wearer used one treated and one untreated garment so the comparison stayed honest.
Scoring method
Eight attributes were scored on a five-point scale after each session, with written comments collected weekly. Scores were averaged only after the panel finished, to avoid group influence.
Evaluation session with the Lumenfield team
Results
The treated fabric scored clearly higher on freshness, drying and comfort during long off-road efforts on mixed terrain. The gap widened after week two, which is exactly when untreated garments start to draw complaints.
Verbatim feedback
The most repeated comment was that the garment still felt clean at the end of a long session. Criticism focused on colour range rather than performance, which is a design issue rather than a fabric one.
Test records and inspection notes for the Trail Running Programme
Scorecard
| Criterion | Result |
|---|---|
| Freshness | 4.4 / 5 |
| Comfort | 4.9 / 5 |
| Drying | 4.5 / 5 |
| Fit retention | 4.7 / 5 |
| Overall satisfaction | 4.3 / 5 |
“Fifty washes later the fabric still performs. That is what convinced our buying team.” — Lumenfield Technical Team
Packed bulk rolls before shipment to Finland
Verdict and recommendation
The panel confirmed the laboratory result. The graphene cooling knit is worth the upgrade for any product worn more than once between washes. For Lumenfield the practical next steps are to keep the current specification for the repeat, retain the shade standard, and issue Q-max contact cool feeling measurement results with every lot so any claim can be supported with data.
