Castelli Thermoflex Leg Warmers The Castelli Thermoflex Leg Warmers are designed to provide soft, comfortable warmth for cool rides in dry conditions. Made using Castelli’s Thermoflex fleece fabric, they offer excellent stretch and a luxuriously soft feel against the skin. These leg warmers deliver reliable insulation while remaining breathable during harder efforts, making them ideal for cool mornings, spring and autumn riding. Key Features Thermoflex fleece fabric providing warmth, stretch and softness Designed for cool riding conditions in dry weather Highly breathable fabric helping regulate body temperature Flat-lock seams improving comfort and reducing irritation Dual-sided silicone grippers keeping the warmers securely in place Stretch construction providing a close performance fit Easy to remove and store in a jersey pocket during a ride The Thermoflex Leg Warmers are a versatile piece of kit for riders tackling cool mornings and changing weather conditions. From the World Tour to your door.