With its ultra-light padding, ideal for all custom shoes, the SK5 sock is ideal for champions and offers direct power transmission and high control. Silk also provides the best thermal insulation with minimum weight. Fast moisture and heat transport and optimal fit guarantee foot comfort and a successful day of competition.Perfect for competitors with ultra-light reinforcement for direct contact with the bootSilk guarantees maximum thermal insulation with minimum weightPerfect for all custom-fit ski boots thanks to its lightweight reinforcementFast moisture evacuation thanks to the three-layer structureUncompromising energy transmission and optimal controlOptimal fit thanks to the optimal cut - right foot / left foot. right foot / left footPerfect for racers with ultra-light reinforcement for direct contact with the bootSilk guarantees maximum thermal insulation with minimum weightPerfect for all custom-fit ski boots thanks to its lightweight reinforcementRapid moisture evacuation thanks to the three-layer structureUncompromising energy transmission and optimal controlOptimum fit thanks to optimal cut - right foot / left foot50% Polypropylene, 25% Polyamide, 25% Silk