Castelli Classic Thermal Short Sleeve Jersey The Castelli Classic Thermal Short Sleeve Jersey is designed for cool weather riding when you want extra warmth without sacrificing breathability or comfort. Constructed from soft thermal fabric, it provides insulation while remaining highly breathable, making it ideal for autumn rides or layered winter setups with arm warmers. Key Features Thermal cycling jersey designed for cool weather conditions Soft insulating fabric providing warmth and comfort Breathable construction helping regulate body temperature Short sleeve design ideal for layering with arm warmers Full-length zipper for adjustable ventilation Three rear pockets for storing ride essentials Elastic waist gripper keeping the jersey securely in place Comfortable performance fit suitable for long rides The Classic Thermal Short Sleeve Jersey is a versatile piece of kit, perfect for riders who want warmth without the bulk of a heavy winter jacket. From the World Tour to your door.