Features waterproof and windproof exterior helly tech professional technology offers complete weather protection with a 2 ply fabric that features completely taped seams and a breathable performance fully insulated high loft primaloft black insulation located in the body and sleeves and a primaloft silver insulation synthetic insulated zones provide all over warmth 2 way mechanical stretch composition allows for an unrestricted range of movement dwr finish durable water repellent trea