The Altitude Lite WP JR. Hiking Boot features Hi Tec's new technology, Big Fit System,to accommodate your child's growth. Included are two insoles, a green contoured insole for comfort and cushioning plus a volume adjuster. When new, the wearer keeps both soles in the shoe. As the child's feet grow, the volume adjuster can be removed to increase the shoe by approximately half a size. Waterproof suede leather and mesh upper provides durability, breathability and comfort Dri Tec waterproof, breathable membrane keeps feet dry i shield repels water and dirt, and is resistant to stains Hi Tec's Ghillie lacing system creates a snug, secure fit Gusseted tongue keeps debris out Abrasion resistant toe cap and heel give added protection Unique Big Fit System allows children's feet room to grow so that shoes last longer Compression molded EVA midsole absorbs impact reducing strain on the body Steel shank provides trusted support and stability to every step Multi Directional Traction MDT, rugged rubber outsole improves grip and provides durability Weight: 1lb. 6oz.