Featuring zoned-insulation throughout and ultra-flexible fabric on the arms, this jacket performs like a core-warming vest with the added protection of sleeves. Active mobility, combined with a two-way zip, make this jacket the perfect pairing for breezy training rides outdoors. Fusion Insulated Jacket Product Features : 0 : AriatTEK® is designed for optimal comfort in any weather, 1 : PFC-free EcoDry™ water repellent finish with a breathable water-resistant constructionWind resistant, 2 : Zoned Cool Climate Insulation™ for targeted lightweight warmth, 3 : Stand collar, 4 : Two-way zipper, 5 : Zippered chest and hand pockets Men's Fusion Insulated Jacket, Size: XS by Ariat