Bellwether arm warmersthe fleeced thermal fabric in these bellwether arm warmers makes them perfect to pair with short sleeve jerseys for extra comfort and warmth when the weather is cooler the curved ergonomic design of these arm warmers will improve the fit and the flat seam construction prevents irritation and chafing the silicone upper arm grippers will keep these warmers in place and reflective accents aid visibility in low light conditions featuresfleeced thermal fabric for warmthcurved