Secure fit durable nylon Lycra® fabricHigh shock absorption D3O® inserts on hips lower leg and tailbone areas500 Series Mountain stretch antibacterial pad with highly breathable reticulated foam All seams flat locked for toughness and comfortSeamless front crotchJacquard soft touch waistband and hem gripperClickfast™ system 90 day Satisfaction Guarantee, Secure fit durable nylon Lycra® fabric, High shock absorption D3O® inserts on hips lower leg and tailbone areas, 500 Series Mountain stretch antibacterial pad with highly breathable reticulated foam , All seams flat locked for toughness and comfort