Sperry Top-Sider Men's Authentic Original Gore Colored Boat Shoe (Tan/Teal 11.5 elastic Fit: True to Size Insole: EVA Outsole: Rubber Upper: Tumbled Leather Features of this item include: Contrast Stitching, Elastic Gore, Handsewn, Nautical, Non-Marking Sole, Slip-Resistant (Non-Skid)