The Catalyst VX Defiant 8" GTX® is the perfect boot for the serious outdoorsman. These premium performance boots are constructed from the finest waterproof leather and feature a waterproof and breathable GORE-TEX® membrane as well as temperature-managing X-STATIC® layer for odour protection. Ariat’s Cobalt™ VX technology protects, stabilises and supports while the 400g Thinsulate™ Ultra insulation provides exceptional warmth in extremely cold and damp conditions. The Vibram® outsole offers superior traction and durability, the protective rubber rand prevents scuffs and scratches and the high rebound PU midsole dissipates impact. Built on an anatomically contoured last for a true fit and featuring a moulded TPU heel cradle as well as a premium leather collar and tongue lining, these boots are the ultimate in comfort and performance.