H.S. Trask & Co. - Interlaken (Dark Brown Oily Tumbled Grain) - Men's: Stylish and sporty, lace-up outdoor shoe. Full grain waterproof leather uppers. Guaranteed HST waterproof system. Drilex breathable lining material. Full length removable padded leather sock with EVA heel cup for additional cushioning. Compressed EVA midsoles. Vibram Rubber outsole compound. Stroebl constructed, no tuckboards or shanks.