Tackle those technical trails with animal-like agility in the Hoka One One® Speedgoat trail-running shoe!Inspired by world-class endurance runner Karl Meltzer (a.k.a. "Speedgoat Karl"), and the harsh conditions of the Speedgoat 50k race.Ultralightweight, no-sew SpeedFrame construction with breathable mesh uppers and supportive welded synthetic overlays.Lace-up closure. Abrasion-resistant toe overlay.Heel pull.Lightly padded tongue and collar. Breathable textile lining offers a great in-shoe feel. Removable foam insole. Balance Stage Meta-Rocker Geometry. Durable, injection-molded EVA midsole.Midsole Height:Heel/Toe: 33 mm/28 mmDifferential: 5 mmVibram® MegaGrip Hi-Traction outsole features 5 mm lugs for exceptional grip and traction over rough terrain. Imported.Measurements: Weight: 9.7 ozProduct measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size.