Based on the boot we co-developed with the U.S. military, the STANDARD ISSUE (S.I.) ASSAULT SHOE is an athletically inspired design of premium lightweight materials. This latest edition features enhanced load-bearing stability, improved anatomical fit and even greater tread durability. Prime urethane shock absorption and moisture wicking linings maintain the highest level of comfort. For wet/dry traction on both smooth and rough terrain, the sole combines vulcanized rubber with directional lug geometry. Full-grain leather and synthetics. Soft temper for instant comfort and silent movement. Athletically inspired design for unencumbered performance and agility. Low-friction lining with anti-microbial treatment. Moisture wicking to maintain optimal foot climate. Prime shock absorption of lightweight polyurethane. Abrasion resistant sole of vulcanized rubber with traction of directional lug design. Ergonomically optimized geometry with enhanced load-bearing stability.