With a brushed grid back construction, the THERMO GRID fleece manages moisture and regulates heat effectively during high-output activities, making the Protium Hoodie an excellent layering piece in colder seasons as well as being effective as an outer layer in warmer weather.THERMO GRID brushed back fleece with stretchLightweight, packable 4 way stretch smooth face, with heather colour effect and brushed grid back for comfort, freedom of movement and warmth Oeko-Tex.Snug fit under helmet hoodA warm hood which can fit snuggly under a helmet for extra warmthFull-length YKK VISON front zipA full-length lightweight and reliable YKK VISON front zip to allow for heat managementLow profile flatlocked seamsFlatlocked seams on the inside and outside of the fabric, which eliminates chafing and increases durability of the fleeceLow profile hem and cuffsFolded over hem and cuffs to give no raw edge to increase longevity of the fleeceFabric: 93% THERMO GRID polyester / 7% elastane