Ahnu Women's Sugar Peak Insulated Waterproof Hiking Boot 100% Leather and textile Imported Synthetic sole Shaft measures approximately 6" from arch Ahnu's breathable waterproof membrane Vibram IceTrek rubber outsole Waterproof leather with a water-resistant wool plaid collar 200 grams of Thinsulate Numentum Low Profike Hike technology with a lateral to medial TPU heel clip for neutral positioning and stability