PERFORMANCE PRE-CURVED FIT The 4.5 pant is lightweight, breathable and unbeaten in its class. A pre-curved performance fit made up of Ripstop and X-Flow mesh panels, along with a heavy-duty seat area and reinforced leather knees on both sides means this pant is ready for track or trails, whichever you choose.A premium product at a great price. Features: Pre-curved classic fit Light and breathable construction Ripstop stretch and X-Flow mesh panels Multi-layer inner-knee reinforcement, now with leather for bike grip Heavy-duty seat and reinforced knee material reinforcement Material panels have multi-row reinforced stitching Waist with micro adjuster and 270 ° heavy duty silicone grip Top-quality YKK Japan Zippers Anti-odor MoistureCool mesh lining Sizing: XS-5XL (28-44) Plastic-free packaging