The Polartec Alpha warm1 material used in this mid-layer jacket traps a small amount of air and efficiently wicks moisture away. For those interested in technical details: the material weight is just under 200g/m². The "rochell" knit of the material makes the jacket quite warm for its weight. - "Technical fit": the second narrowest of the manufacturer's four fits - At least 60% of the fabric's polyester fiber is recycled - Chest pocket - Very high collar for protection - Full length zipper - Long cuffs with thumb holes - wrists stay very warm - The hem is slightly longer at the back - Öko-Tex and bluesign certified The model is 188 cm tall and is wearing a size L shirt.