600-denier fabric construction with Polyurethane (PU) coating and a water-repelling treatment, Stretch panels above the knees for superior flexibility, Waterproof, breathable nylon lining, Multi-fabric poly-shell construction yields the optimal combination of durability, protection, Protection against the elements provided by an integrated 100% waterproof and breathable membrane, Impact protection provided by removable knee protectors, Ballistic nylon reinforcements on the thighs, knees and seat area, Integrated high visibility reflective detailing enhances rider visibility in poor light conditions, Pre-curved legs and an articulated knee construction enhance freedom of movement while riding, Adjustable waist and secure sliding hook closure for a snug, tailored fit, Optimized for use with the AST-1 Waterproof Jacket, Extended zippered boot gussets ensure a tight seal around the ankle and facilitate fitting and removal, Hand pockets and external flat storage pocket, Premium YKK semi auto-locking zippers