Created by studying the foot in motion, this trainer is designed to enhance the foot's natural ability to stabilize the body during rapid changes in movement. The Trail Glove 5 is a barefoot shoe, and has been built with a full forefoot to allow for a more natural foot movement. A TPU heel counter improves stability, and a TrailProtect rock plate guards against sharp trail debris. The Vibram sole provides grip and natural flexibility. Features: - 3D knit upper for 360-degree sock-like fit - Speed lace - Hyperlock TPU film heel counter for security - M Select FRESH antimicrobial agents reduces shoe odor - Integrated insole - Merrell Barefoot 2 construction for enhanced proprioception and stability during variable movement - TrailProtect rock plate protects feet from underfoot debris - Vibram TC5+ sole - Stack Height (heel/toe): 11.5/11.5mm; insole: 0mm; insole: 3mm; midsole: 4/4mm; sole: 1.5mm web, 3mm lug - Weight: 8oz / 222g (1/2 pair)