Simms Men's Flyweight Rubber Sole Wading Boots - If the call of high mountain streams and the path less traveled ring true for you, these incredibly lightweight wading boots will help you answer the high mountain call. Vibram® Idrogrip rubber outsole Low-profile, lightweight synthetic boot upper Welded TPU film in high abrasion zones for durability Speed lace hooks & lace-toe closure High cushion dual-density EVA midsole for comfort Stud-compatible 4.5 mm Weight: 40oz (1134g) in size 11 Style: 12631