The Outdoor Research Kids Low Rocky Mountain Gaiters pair well with hiking boots or shoes to keep rocks, dirt, and light snow from finding its way into your footwear!Fabric: 100% nylon, 420D packclothWeight: 4.8 oz/136 gWater Resistant, breathable, and abrasion-resistantDurable Hypalon Instep StrapReinforced Boot Lace HooksHook/Loop Front ClosureElastic Bottom and top edgeSmall/Medium fits 13-2Large/X-large fits 2-4