Castelli Flanders Warm Undershirt Discover the Castelli Flanders Warm Undershirt , your perfect ally to face the challenges of the cold. Designed specifically for the coldest months, this long-sleeved t-shirt offers you protection and comfort in temperatures between -5 and 8 degrees. Its 100% polyester SottoZero Fleece Multidenier fabric and soft internal fleece lining guarantee exceptional warmth without sacrificing comfort. Detailed Product Description Comfort and Warmth in Extreme Conditions The Castelli Flanders Warm Undershirt is designed to keep you warm and comfortable on the coldest days. Its 100% polyester SottoZero Fleece Multidenier fabric provides excellent heat retention, while its internal fleece lining adds an extra layer of softness and comfort. Innovative and Functional Design This shirt not only keeps you warm but also ensures a perfect fit. Flat seams improve comfort, avoiding irritation during long days. In addition, mesh inserts in the underarms offer adequate ventilation, maintaining the perfect balance between warmth and breathability. Comfort and Versatility The flat edge at the waist is a detail designed for cyclists, allowing the jersey to be worn comfortably inside the shorts. This feature ensures that the shirt stays in place, providing comprehensive protection no matter the intensity of your activity. Ideal for Cold Weather The Castelli Flanders Warm T-shirt is ideal for temperatures between -5 and 8 degrees. Whether for intense workouts or leisurely walks in the colder months, this shirt will provide you with the warmth and comfort you need to overcome the challenges of winter.