The endura xtract arm warmer can be easily applied and removed on the go and is crafted from thermal stretch materials that promote breathability and moisture management silicone grippers keep this endura arm warmer firmly in place and the ergonomic design boats minimal seams for enhanced comfort the hi viz colours and reflective trim also keep you visible in low lit conditions endura xtract arm warmer features ergonomic design performance fit hi viz colours thermal breathable and m