Norrona Senja Warm One Hoody - Men's Arednalin Red Large 5818-23 5630. We use lightweight warm1 fabrics because it offers great durability quick-dry and warmth to weight properties. The main fabric is a 100percent recycled knitted polyester 140g/m2 with UPF 50+. In the back and under arms - a lighter more open fabric for better moisture management. It is a 100percent recycled polyester of 127 g/m2 with a mesh construction and a UPF 30+. Both fabrics is trathed with HeiQ Fresh FFL anti-odor treatment. HeiQ Fresh FFL is a bio-based amino sugar polymer that is silver-free and not an antimicrobial. It removes the fat and protein from sweat thereby eliminating the ability of the bacteria to grow and therefore reduce odor. Fitting hood chest pocket mid length zipper in the front for ventilation stretchy cuffs with hand gaiter functionality. This mid layer has a technical fit. Package Contents: Norrona Senja Warm One Hoody - Men's Norrona 5818-23 5630 S: Senja Warm One Hoody - Men's Arednalin Red Small Norrona 5818-23 3301 S: Senja Warm One Hoody - Men's Olive Night Small Norrona 5818-23 3301 XL: Senja Warm One Hoody - Men's Olive Night Extra Large Norrona 5818-23 3301 L: Senja Warm One Hoody - Men's Olive Night Large Norrona 5818-23 5630 L: Senja Warm One Hoody - Men's Arednalin Red Large Norrona 5818-23 3301 M: Senja Warm One Hoody - Men's Olive Night Medium Norrona 5818-23 5630 M: Senja Warm One Hoody - Men's Arednalin Red Medium Norrona 5818-23 5630 XL: Senja Warm One Hoody - Men's Arednalin Red Extra Large Norrona 5818-23 5630 L: Senja Warm One Hoody - Men's Arednalin Red Large