Endura Thermolite Cycling Tight, Large THERMOLITE with High Performance DWR treatment for ultimate weather comfort with durable water repellency Slimline ankle zip for ease of access with snapdown puller Ergonomic body panelling for cycling fit with high compression Selected seams fully flatlocked for comfort; Double thickness layer on knees for added warmth Silicone hem gripper to keep the tights firmly in place.