THE KULKEA THERMAL TREKKER: Heritage craftsmanship meets unrivaled design and durability. Kulkea's critically acclaimed heated ski bag will get you to the mountain with toasty warm boots, and is technically designed to stow your ski gear and apparel with ease and style. ADVANCED WARMING SYSTEM: Our innovative thermal conduction design directly transfers heat to both sides and the bottom of each ski boot while also emanating into the central compartment for apparel. Boots are warmed within 90 minutes and inserts are kept safe. The insulated gear bag features Low, Medium & High heat settings with maximum pad temperature 140F. INTUITIVE PACKING SYSTEM: Enjoy optimal organization and maximum preparedness. Our high performance snow sport backpack includes a wide mouthed front pocket for gloves, water bottles, lunch and personal items, a top pocket for face masks and bandanas and a large top loading center compartment for ski pants, tops, base layers and gear. BACKPACK GRADE SUPPORT: Enjoy a strap and belt system that adapts to your needs. The Thermal Trekker features padded and contoured adjustable shoulder straps combined with a comfort fit back panel, lifter straps, and a sternum strap, so you can easily distribute your carry weight for maximum trail blazing. All straps stow easily for a seamless transition from slope trekking to air travel. DIMENSIONS & SIZING: Backpack measures 18"H (boot pockets) x 14.5"L x 20"W. Volume: 62L / 3800 cu in (Helmet sling adds even more space!) Fits ski boots up to Mondo 31 (US Size - Men's 13 / Women's 14). This ultra durable boot and gear bag is heated, insulated and technically designed for easy storage of boots, helmet, gear and apparel. It’s made with water-resistant backed nylons and features reinforced bottom corner bumpers to protect against heavy use. Plus, the moisture control and venting system means you can carry with confidence to keep it fresh. Kulkea's premium, travel ready large backpack offers the space and durability you need for alpine ski boots, helmet, gear and apparel. Our ski equipment bag is highly compartmentalized and technically featured for organization and maximum preparedness. It’s built to last, features an external ski helmet sling, and is the ideal ski bag for air travel. You’ll wonder why you ever bothered with other snow sport bags.