Pearl Izumi's Elite Thermal Knee Warmers feature Elite Thermal Fleece fabric for warmth, stretch, and breathability. The specific front-to-back design provides a superb fit and allows for total freedom of movement. Plus, they boast soft grippers to keep them in place and reflective accents for safety. • ELITE Thermal Fleece panels provides superior warmth, stretch, and recovery • Anatomic construction eliminates bunching through your full range of motion • Plush wide elastic binding with silicone gripper for a stayup fit • Reflective logos for low–light visibility 56% nylon 30% polyester 14% elastane