Chaco Z/1 Sandals Mens Size 10 Black Brown Vibram Hiking 。These sandals are the Chaco Men\'s Z/1 model featuring a Vibram® Unaweep outsole. This specific model is a rugged, open-toed performance sandal known for its high-traction, self-cleaning tread design. Key Features: Outsole: Vibram® Unaweep sole with 4-5 mm lug depth for superior traction on both land and water. Upper: Continuous 1\" polyester webbing that wraps around the foot and through the midsole for a fully customized fit. Footbed: LUVSEAT™ PU footbed designed for all-day comfort and arch support. Strap Style: Z/1 configuration, which features an open-toe design without a toe loop.