Merrell Women's Nikita Waterproof 100% Leather and Textile Synthetic sole Shaft measures approximately 9" from arch Cement construction provides lightweight durability Full grain and suede waterproof leather upper Waterproof membrane provides impermeable but breathable barrier Merrell Conductor Fleece provides lightweight, versatile heat retention in varying conditions 222 grams of PRIMALOFT insulation treated with antimicrobial solution