Here is a product description for the CASTELLI UPF 50+ Light 3 knee warmers:CASTELLI UPF 50+ Light 3 Knee WarmersExperience ultimate versatility and protection on your rides with the Castelli UPF 50+ Light 3 Knee Warmers. Expertly engineered for cyclists who demand performance in variable conditions, these knee warmers provide the perfect balance of lightweight coverage and exceptional sun protection. They are the ideal accessory for cool spring mornings, crisp autumn afternoons, or any ride where the sun is a factor but full-length tights are unnecessary. Extend the use of your favorite cycling shorts across three seasons and ensure you´re prepared for whatever the weather brings.Bullet Points.Solare fabric is highly breathable for sun protection without overheating UPF 50+ protection Polyester-based for excellent moisture management Silicone elastic at top for excellent grip.Overview Description.The Castelli UPF 50+ Light 3 Knee Warmers are your secret weapon for adapting to changing conditions on the bike. Designed to be incredibly lightweight and packable, they can be easily stowed in a jersey pocket when the temperature rises, yet they provide crucial protection when you need it most.The core of their performance lies in the advanced Solare fabric. This innovative material is engineered not for insulation, but for superior sun defense and breathability. It effectively blocks harmful UV rays with a certified UPF 50+ rating, safeguarding your skin during long hours in the saddle. Unlike traditional warmers that can cause you to overheat, the polyester-based Solare fabric excels at wicking moisture away from your skin, promoting evaporative cooling and keeping you dry and comfortable.Castelli's renowned attention to detail is evident in the fit and construction. Anatomic patterning ensures the warmers conform perfectly to the shape of your legs, while a seamless design at the back of the knee eliminates chafing and allows for a completely unrestricted range of motion through every pedal stroke. To guarantee a secure, slip-free fit, a double-sided silicone elastic gripper is placed at the top, holding the warmer firmly in place against both your skin and your shorts without digging in. These knee warmers are so light and comfortable, you´ll forget you´re even wearing them.Product Care.To maintain the high-performance features and longevity of your Castelli knee warmers, we recommend the following care instructions. Machine wash in cold water with like colors. Use a gentle cycle and a mild detergent. Do not use bleach or fabric softeners, as they can degrade the fabric´s technical properties. Hang to dry or lay flat, do not tumble dry or iron. Proper care will ensure your warmers continue to provide protection and comfort ride after ride.Sun protection without overheating.An essential, packable accessory for every discerning cyclist´s wardrobe, these warmers bridge the gap between seasons with unmatched comfort and performance.Technical Specifications* Product: CASTELLI UPF 50+ Light 3 Knee Warmers* Category: Clothing* Subcategory: Arms and legs warmers* Recommended Use: Cool to Mild Conditions, Sun Protection* Fabric Technology: Solare Fabric* Sun Protection: UPF 50+ Rating* Gripper: Double-sided silicone elastic at top* Construction: Anatomic fit with seamless design at kneeAttributes* Type: Knee braces* Gender: Men, Women (Unisex)