Get ahead of the early-season game in the Ursa ES. Lightweight, breathable, and agile, LaCrosse designed this boot to stay nimble in the roughest terrain and get you closer to your prey. Every detail on the Ursa ES was selected for a careful balance of weight, flexibility and support, with a breathable nylon and suede upper, GORE-TEX waterproof liner, and Vibram MegaGrip outsole.