The vest in Helly Hansen&';s Odin Lightweight Stretch Insulator 2.0 family - the same fabrics as the Odin insulator jackets, with lighter insulation for core warmth and complete arm freedom. PrimaLoftA(R) GOLD Active+ vents heat on high-output efforts rather than trapping it, and stretch fleece side panels keep the vest moving with you. Wear it as a midlayer under a shell in cold weather, or on its own when it is milder.Features PrimaLoftA(R) GOLD Active+ insulation - lighter weight than the Odin insulator jackets 2-way stretch fabric; stretch fleece panels at the sides; slick face fleece fabric DWR treatment Recycled content; bluesignA(R) approved main material Chin guard; hand pockets; elastic hem Shell 100% polyamide; side panels 84% polyester / 16% elastane; lining and insulation 100% polyester Colorway: BLACKSizes: MD-XXL