The Stoneham Jacket from Helly Hansen provides lightweight warmth out on the mountain. This waterproof and breathable jacket is constructed with Helly Tech Professional 20k/20k and packed with Primaloft Insulation throughout. The 2-way mechanical stretch fabric allows for unrestricted mobility on the slopes, and the helmet compatible hood offers additional warmth when needed. The H2Flow Mechanical Venting System allows you to regulate your body temperature on the fly while the hi-vis brim allows you to see far and wide. The Stoneham Jacket also features multiple pockets including a Life Pocket and a RECCO Rescue Reflector for safety out on the slopes. Helly Tech Professional - 85% Polyamide/15% Elastane, 2L Fabric Construction, 4-Way Mechanical Stretch, H2Flow System Mechanical Venting, Life Pocket w/Primaloft Aerogel Insulation, Foldaway Hiviz Brim, DWR Finish, Removable, Helmet Compatible Hood, Ski Pass Pocket, RECCO Rescue System, 80g Primaloft Black Insulation in Body and Hood/60g in Sleeves, Exterior Material: Helly Tech Performance - 85% Polyamide/15% Elastane, Insulation Weight: 80g Primaloft Black Insulation in Body and Hood/60g in Sleeves, Waterproof Rating: 20,000mm, Breathability Rating: 20,000g, Hood Type: Removable, Pit Zip Venting: Yes, Warranty: Lifetime, Type: Insulated, Jacket Fit: Slim, Length: Hip, Insulation Type: Synthetic, Waterproof: High Waterproofing (15,001 - 20,000mm), Breathability: High Breathability (15,001 - 20,000g), Cuff Type: Hook and Loop, Wrist Gaiter: Yes, Warmth Factor: Warm, How Does This Fit?: True To Size, Model Year: 2018, Product ID: 515386, Model Number: 65545_910-S, GTIN: 7040055282788