Four way stretch for mobility and 2L waterproof, breathable protection. The Jeppeson Jacket from TNFR has a classic styling reminiscent of the 80 s with a longer cut but much improved with features such as underarm vents, internal goggle and media security pocket and a adjustable, removable hood. Insulated with The North Face s proprietary insulation, HeatseekerTM, the Jeppeson is functional yet fashionable for all your winter excursions. Features: Active Fit Waterproof, breathable, fully seam sealed Adjustable, removable hood Polyurethane PU zip chest pocket Underarm vents Handwarmer zip pockets Wrist accessory pocket with goggles cloth Adjustable cuff tabs Internal media security pocket Internal goggles pocket Two snap, snap down powder skirt with gripper elastic Adjustable hem system Avg. Weight: 920 g 32.5 oz Center Back: 27 Fabric: shell: 164 gm HyVentTM 2L 87% polyester, 13% elastane four way stretch dobby Graphite Grey Heather shell: 166 gm HyVentTM 2L 100% polyester two way mechanical stretch melange heather insulation: 100 g80 g60 g HeatseekerTM Technology: HyVentR: This waterproof, breathable ethnology utilizes a polyurethane PU coating that consists of a tri component, multi layer formula for waterproof protection, moisture permeability and durability. It's been lab and field tested to ensure the best possible durability and function. Breathability: 750 800 gm24 hrs avg MVTR Upright Cup Waterproof Rating: 25 PSI minimum after 20 launderings HeatseekerTM: This proprietary synthetic insulation from The North FaceR offers a great warmth to weight ratio, is highly compressible and is extremely durable, making it ideal for cold weather products that require warmth with minimal bulk.