This barefoot shoe becomes even more one-with-your foot with its 3D knit sock-like construction and 4-way stretch. A stretch collar makes it easy to put on, whilw the locking elastic lace system creates a secure fit. A TPU toe cap protects against off-road debris, while the Hyperlock heel counter and TrailProtect pad increase stability. A 3mm insole and 4mm midsole offer just the right amount of cushioning and protection, and are paired with a versatile Vibram sole for grip. Features: - 3D knit upper for 360 degree sock-like fit - Elastic cord and lock lacing system for quick secure fit - Stretch collar for easy on and off - Protective TPU Toe cap - Hyperlock(TM) TPU film heel counter for security - Integrated footbed - 3mm cushioning layer for increased underfoot comfort - TrailProtect(TM) pad offers additional support off road - Merrell Barefoot construction is minimal yet protective for versatility outside - Stack height (heel/toe): 11.5/11.5mm; footbed: 0MM; insole: 3mm; midsole: 4/4mm; sole: 1.5mm web, 3mm lug - Vibram(R) - Vegan friendly - Weight: 0lbs 6oz / 168g (1/2 pair)