● Hook and Loop closure ● Size Reference: Small ( Fit kids 6-7 years old ), Medium ( Fit kids 8-10 years old ). It's just a Suggestion. Measure size of kids' hands before buying. Materials: Shell: 100% Polyester, Lining: 65% Polyester, 35% Rayon. ● Inserting: Polyfill interlining to keep warmer inside. Palm: Rhombic pattern PU leather with good grip and nice feeling. ● Buckle design for anti-lost. Nylon knit cuffs (Size S & Size M), much better quality to resist cold and wind. ● Elastic around wrists, It also has Hook & Loop fastener on the elastic, to make sure that there is not easy to fall off while you doing sports. ● Windproof. Soft and warm. A great gift for children and friends.