The Columbia Montrail F.K.T. all-terrain running shoes have the secure yet comfortable fit and supportive response that will let you feel the power of the trail with every step. Trail-running shoe is made of a seamless textile upper with welded overlays for durability. Traditional lace-up style for a preferred fit. Secondary lace cage provides unparalleled fit and support. External TPU heel counter locks your foot into the Tri-density Trail Reaction System. Power-mesh sockliner offers a glove-like fit, long-lasting breathability, and cushioned underfoot support. Tri-density Trail Reaction System features a mid-density EVA with an integrated Trail Shield protection plate that is layered on top of soft, reactive TPU foam which absorbs uneven terrain while keeping your foot stable. Full-length rubber outsole with directional lugs for durability and traction. Heel/toe: 18mm/10mm. Lug depth. 4mm. Imported. Measurements: Weight: 10 oz Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.