Our all new top line race team tried-and-tested pants are unbeatable: more flexible, durable, and lighter. The 5.5 pants will give you ultimate comfort. Features Pre-curved, tight stretch racing-fit ultra-light, durable Ripstop stretch Waist gripper system I.K.S - Internal Knee Brace System prevents knee brace wear and tear Light and breathable construction Laser-cut ventilation Full grain leather inner legs for bike grip Multi-layer knee reinforcement Multi-row reinforced stitching Waist with micro adjuster, side straps and 360° silicone grip Anti-odor MoistureCool mesh lining