【Waterproof exterior & bottom】Ski boot bag is made with rugged 1000D nylon water-resistant outer shell for long-term use in sking.Which is dust-resistant,shockproof,lightweight,Durability,abrasion.The bottom of the bag is made of waterproof and low temperature resistant material, so there is no need to worry about being saturated by snow. 【50L large capacity ski backpack】The 50L backpack suitable for any size of ski boots. There are 3 separate storage spaces 1 big compartment for boots, top compartment for helmet and a front compartant for goggles, gloves,jacket other ski gear.Fully packed the bag measures 13 in x 12.5 x 19. 【Great fo ski travel backpack】Designed with 2 reinforced carrier handle straps and adjustable shoulder strap and chest strap suitable for easy use when traveling.Reflective material on the back can enhance the recognition at night. 【Lightweight padded and comfort】The padded sides and back panel can protect the internal equipment while increasing the comfort during use and reducing the overall weight-bearing feeling. 【Friendly customer service】If you are not satisfied with the ski backpack for any reason, please contact customer service, we will help you solve the problem immediately until you are satisfied.