Oasis Roland Fisherman Shoes Leather Rubber sole Non-slip outsole with Foot Cradle Technology creates a wide, stable base, cradling the heel in a neutral position to promote a proper walking gait. Reinforced toe box protects toes without creating a bulky, steel toe look. Rigid nylon composite shank adds stability. Hook-and-loop instep strap allows for a customized fit and easy on off. Hook-and-loop heel strap adjusts the fit around the ankle and heel, great for those with narrow heels.