100% Textile Imported Rubber sole These shoes have a performance fit. We recommend ordering a 1/2 size bigger than your typical NB size. Designed to Move With You: A great fit for your active lifestyle, this everyday running shoe features a REVlite midsole for soft support and incredibly lightweight cushioning Lightweight Strength: Designed for comfort and style, this everyday shoe features a lightweight and breathable upper crafted from synthetic and mesh materials atop a durable rubber outsole Plush Comfort: Equipped with NB Memory Sole Comfort Inserts, these cushioned casual sneakers help you enjoy a super soft feel with every step you take Slip On and Go: The NB Nergize Sport lifestyle shoe features a convenient slip-on bootie construction for quick-and-easy changes without any laces or straps to slow you down