The K2 FL3X Evolver Ski Boots - Kids' are for the younger sibling who's tired of hand-me-downs and ready to out-ski the whole fam. With a smooth flex and the classic Revolve 3-piece shell, these boots help groms go from pizza to park hero in no time. Warning: side effects may include spontaneous 180s, newfound confidence, and calling out their older siblings for “lame” grabs. Product Details Fit Last: 99mm – A slightly narrower than average fit for most feet. Flex Flex: 70 – Softer flex designed for young skiers Liner Intuition Classic Tongue Liner – The Intuition Tongue Liner’s laminates use multi-layered construction in a traditional tongue liner, designed to provide targeted comfort and performance in a familiar way. Shell Materials & Design Fully Heat Moldable – Both the boot's shell and cuff are capable of being heat molded to a variety of foot shapes for a truly custom fit. Pebax Tongue – Lightweight, eco-friendly material used in the tongue of boot models for energetic and consistent flex across a wide range of temperatures. Revolve Shell Shell – TPU (Thermoplastic Urethane) Cuff – PP (Polypropylene) Buckles 3 Revolve Alloy Power Strap Velcro Sole ISO 5355 Alpine Soles