Bibi Kids - 233220 (Infant/Toddler) (Yellow/Red/Navy) - Kids' Shoes: Sleek and sporty sneaker for active little boys. Leather and mesh upper. Materials designed to provide greater softness and allow the foot to breathe. Z-strap hook-and-loop closure for a perfect fit. Lining is made of anti-allergic polyester that allows the feet to transpire for health purposes . Antimicrobial treated to keep foot odor away. Flexible and skid-proof, the soles offer greater safety. Rubber sole wraps around toe and heel for added protection and durability.