New! See Kai Run Toddler Boys Blake Winter Snow Boots Size 9 Insulated Blue Using lightweight, breathable materials and minimalist design. Features soft, mesh lining and mesh-lined sockliner to avoid skin irritation and cushy comfort. Roomy toe box let’s little toes wiggle and build strength.. * Footwear Lining Material: 100% Polyester * Construction: Ankle Strap * Footwear Insole Material: 100% Polyester * Features: Hook and Loop Closure * Toe Style: Round Toe * Footwear Upper Material: 67% Nylon and 33% Polyurethane * Footwear Outsole Material: 100% TPR (Thermoplastic Rubber) * Heel: No Heel