• Castelli's best Progetto X2 Air Seamless Pad
• Affinity Pro Lycra® fabric on inside of leg for outstanding stretch and rebound
• Vortex BLC textured fabric on legs for better aerodynamics
• GIRO4 leg gripper with raw edge for comfort and silicone stripes for grip
• Flat-lock stitching
• Reflective detailing on back
• Mesh straps for comfort and breathe-ability