Performance supportive stretch fabric with durable exterior & fast wicking inner, Endura 600 Series Pad computer cut ? Continuously Variable Profile? (CVP) stretch pad with gel inserts & antibacterial finish, Fully flatlocked seams & multi-panel anatomic construction (with seamless inside leg) for strength & comfort, Silicone gripper hems, Lycra bound armholes & rear, UPF 50,