Suede & 1000 Denier Nylon UpperSuede leather and abrasion-resistant nylon work together to create a super durable, comfortable upper that looks great too.Air Mesh LiningBreathable, moisture-wicking air mesh lining and ventilation technology for comfort in hot weather.USAR Optional WearMeets US Army AR 670-1 requirements for optional wear.Vibram® SPE MidsoleThis rubberized EVA midsole maintains the same cushioning properties as traditional EVA, but is more durable and won’t break down as easily. This technology enhances rebound, comfort and support.Vibram® Striker® Bolt OutsoleThe Striker® Bolt outsole is slip-resistant and offers maximum surface contact while gripping on and off pavement.TERRA FORCE NEXT PlatformThe TERRA FORCE NEXT platform combines an internal and external shank system which helps to provide arch support and torsion control. The Vibram SPE midsole brings comfort and durability without added weight.