Majority natural rubber, exclusive Aigle blend with unrivaled comfort, flexibility and resistance properties. KEVLAR: Reinforcement of the fibers of the boot with Kevlar, offering optimal protection STRONG FEET: Foot width designed for strong feet SOFTEX: Softex® is a non-woven polyamide foam, its texture allows very great absorption of perspiration. The drying is quick and the contact is soft and pleasant. Upper reinforced with Kevlar® fibers - Resistance to friction and external elements - Dual-density sole - Quick-drying and reinforced lining at the forefoot.