A fresh take on an all-time classic, the limited edition KSO Vintage celebrates the very best that FiveFingers minimalist footwear has to offer. The thin, abrasion-resistant stretch polyamide and breathable stretch mesh wrap snugly around your foot, for a snug, comfortable fit that Keeps Stuff Out (KSO). The upper material is breathable and quick-drying for use in and around water, while the popular single strap hook-and-loop closure system provides a secure fit. Plus, the non-marking XS Trek performance rubber outsole is extremely versatile, with great traction on wet and dry surfaces. KSO Vintage is ideal for everything from casual, everyday use to gym workouts to trail adventures. It is designed for the true minimalist who wants to fully connect with the earth.