Features of the KEEN Youth Wanduro Mid Waterproof Shoe Waterproof synthetic and textile Upper Lace-lock bungee system Breathable mesh lining PU insole with arch support for long-lasting comfort Keen. fusion rubber for lightweight durability Non-marking keen.fusion rubber Outsole Multi-directional lug pattern provides superior traction Keen.dry waterproof, breathable membrane Eco anti-odor for natural odor control PFAS-free, durable water repellent Padded tongue and collar for comfort