The Radius by Merrell is an aggressive low-cut that’s prone to roam, keeping traction and protection at a high level. Nubuck leather upper is slip lasted for a close fit and fitted with narrow gauge tunnel webbing for effortless lacing. Wishbone heel counter and oversized toe bumper protect back to front. End Uses: Light hiking or biking on trails or urban terrain in dry conditions. Best worn with mid-weight socks. - Slip Lasted Construction - Nubuck Leather Upper - Polyester Mesh Lining - AirMesh/Leather Bellows Tongue - Micro Injection External Heel Counter - Rubber Toe Bumper - 7.5mm Narrow Gauge Webbing - 4.5mm Anatomical Footbed - Nylon 6.6 Injection Molded Arch Shank - Compression Molded EVA Footframe - Q-Form™ Triple Density Compression Molded EVA Footframe (women) - Air Cushion® Midsole - 5mm Sole Lug Depth - Vibram® Multi-Grip™ Sole/TC5+ Rubber Men’s Sizes: 7-12,13,14,15 Wide Sizes: 7-12,13 Weight: 2 lbs. Women’s Sizes: 5-11 Weight: 1 lb. 12 ozs.