Endura Thermolite Armwarmers are made from Thermolite for thermal insulation & comfort. These compact pieces can be easily slipped into a jersey pocket when the rest stop comes up. Sometimes, challenging descents don't call for full on jackets. Where do you turn? These arm warmers are perfect for summer riding when descents are colds but flat conditions are searing. Simply slip them off & regulate your temperature. Made from Thermolite for thermal insulation & comfort High-performance Repel Teflon fabric protector for ultimate weather comfort for durable water repellency. Silicone gripper at hem