Under Armour Men's UA Valsetz Venom Mid Tactical Boots 13 Black Synthetic Synthetic overlays add support, not weight, and won't absorb moisture Aggressive UA Spine chassis forms a lightweight structure around the sole, delivering incredible support without sacrificing flexibility Durable EVA midsole delivers cushioning and shock absorption, protecting your foot in any terrain Water-resistant, high-abrasion ripstop nylon upper is tough, but breathable, for superior comfort