About the Endura FS260-Pro Arm Warmer Simplicity exemplified in an arm warmer. Designed to keep you warm and the worst of the water off, with as little fuss as possible. The FS260-Pro arm warmers will extend the use of your favourite short sleeve jerseys well into the winter. Though they will keep you as warm as long sleeves, they also have the added flexibility to be removed at any time, should you get too warm. Key Features > Luxurious Thermoroubaix® fabric with PFC Free DWR M™ treatment provides insulation, comfort and water repellence > Double sided silicone gripper holds warmers and sleeves in place > Reflective trim