Features of the KEEN Kids' Terradora II Mid WP Boot Lightweight Performance mesh Upper Lace-lock bungee system children's and tots' sizes have adjustable hook-and-loop closure Quick-dry lining for active use Removable EVA insole with arch support for all-day comfort EVA Midsole for lightweight cushioning Higher-traction rubber Outsole Integrated heel support structure Keen. dry waterproof, breathable membrane Eco anti-odor for natural odor control PFC-free, durable water repellent