All the features of the 0 LS 100 shoe contribute to making it the perfect shoe for the hardcore mountain biker and the cyclist that won't stop riding because of some bad weather. To keep your feet warm and dry, the shoe has an insulated inner sole, fully seam sealed water resistant 3 mm neoprene, a lined interior and a base of 4 mm foam insulation and waterproof membrane coated lining. For comfort and fit, the shoe is equipped with the BOA L4 attach system that is easy to attach, distributes pressure and ultralight, and is covered with a double flap with velcro for full protection. Finally, for performance, the Dual Density crampons offer rigidity and traction and allow better mud evacuation, and thermoplastic toe cover provides protection. Interior of shoe lined. Base of shoe insulated with 4 mm foam and lining coated with waterproof membrane: Provides heat and comfort in cold temperatures. Heel reflector: Improves visibility. Approximate weight size 421 shoe: 406 g14.5 oz.