The Topo Athletic Ultraventure trail running shoe is durable and rugged in a signature lightweight construction and roomy toe box that promotes a comfortable and natural running experience. Stack Height (Heel / Forefoot) : 30mm / 25mm. Heel-to-Toe Drop : 5mm. Lightweight, breathable engineered mesh upper is abrasion resistant and optimized for increased breathability. Drainage gills for enhanced water release and quick, rapid drying. Fully-gusseted tongue and padded collar. Traditional lace-up closure. Ortholite anti-compression footbed with antimicrobial properties that fight against odor and inhibit bacterial growth. Roomy toe box allows the toes to spread and splay naturally for greater foot function and comfort. Multi-density EVA midsole provides soft cushioning against the foot and a firmer, more responsive cushioning against the ground. Vibram XS Trek outsole delivers unbeatable grip, traction, and durability on technical trails. Uniquely fitted gaiter attachment for an optional, fully-compatible stretch nylon Topo gaiter. Imported. WARNING Measurements: Weight: 9.8 oz Product measurements were taken using size 10, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.