Endura Transloft Short Sleeve Baselayer Stay Warm In The Cold Cold weather comes around once a year, but that won't stop you from going out for a ride. Having a baselayer underneath your jersey will help with temperature regulation and moisture wicking. The Endura Transloft Short Sleeve Baselayer is made with insulating Primaloft Energy main body fabric that performs in a wide range of temperatures. It has a strategically positioned mesh back panel for maximum breathability. It features cycle-specific paneling with flatlock stitched seams and pre-shaped, forward-facing short sleeves. Features Temperature recommendation: 46deg - 64deg FInsulating Primaloft Energy main body fabric performs in a wide range of temperatures Material: Elastane 7%, Polyester 46%, Recycled Polyester 47%Sizing Size Extra Small Small Medium Large Extra Large XX-Large Chest (in)35 - 37"37 - 39"39 - 41"41 - 43"43 - 45"45 - 47"Waist (in)29 - 31"31 - 33"33 - 35"35 - 37"37 - 39"39 - 41" | Endura | Transloft Ss Baselayer Men's | Size Medium In Black | Polyester/elastane