Endura fs260 pro jetstream ls jerseythe endura fs260 pro jetstream long sleeve jersey offers athletic wind protection and includes a roubaix fleece inner on the back to prevent you feeling the worst of the cold this is a quality jersey featuring an athletic cut with insulated grid fleece inner on the back and under the sleeves featuresmaterial 93 polyester 7 elastane windproof front and arms insulating back and sleevesathletic non flap fitlong sleevedfull front zipper with sprung puller