The Classic Fivefinger is a unique shoe designed to reduce stress on your feet and knees by promoting a natural walking motion. The non-marking TC1 performance rubber sole provides your feet with protection, while also supplying an excellent razor-siped grip. The upper is a thin abrasion-resistant stretch polyamide fabric which fits comfortably on the foot. Great for many activities including sailing, casual running, yoga, pilates, and traveling. Machine washable and air dry.