Merrell Women's Encore Apex Waterproof Boot 100% Suede, Nubuck, Soft Shell Rubber sole Shaft measures approximately 10" from arch Waterproof membrane provides impermeable but breathable barrier Pig suede, nubuck leather upper and waterproof soft shell material Merrell QForm Comfort EVA midsole provides womens specific stride-sequenced cushioning 200 grams of Merrell Opti-Warm lightweight, low bulk, synthetic insulation keeps you warm