Mens Casual Slip On Shoes from Crocs: Crocs Men's Islander Sport Real Tree Boat Shoe - Camouflage-Chocolate-Khaki. Slip On Leather Casual Boat Shoe Shoes. Sizes: 10,11,12,13,8,9 Widths: Medium (M). Take the weekend at top speed with this comfortable slip-on. Water-resistant leather upper. Topline lace detail. Forefoot ports provide ventilation and drainage. Cushioning Croslite material midsole. Lightweight Croslite material sole. Available in whole sizes only, please order the next size down.