Stay warm and dry in challenging conditions with 5.11 A.T.A.C. 2.0 8" Insulated Boots. Featuring a SlipStream waterproof,  BBP-resistant membrane, these winter boots have 400 grams of insulation for added warmth. A full-length, dual durometer Ortholite footbed provides advanced cushioning, while an Achilles heel flex zone offers a greater range of motion without compromising support. With a full-grain leather and 840D nylon upper and integrated knife pocket, you get the rugged durability you need to get the job done.