Castelli Thermoflex 2 Knee Warmers: Essential Warmth and Unrestricted ComfortExtend your cycling season and conquer unpredictable weather with the Castelli Thermoflex 2 Knee Warmers. Designed for the dedicated male cyclist who demands performance and comfort, these warmers are the perfect solution for cool mornings, crisp autumn days, and long mountain descents. When full tights are too much but shorts leave you exposed, the Thermoflex 2 provides crucial insulation for your knees, keeping your joints warm, flexible, and ready to perform. These are more than just an accessory, they are an essential piece of technical cycling apparel.At the heart of these premium knee warmers is Castelli´s legendary Thermoflex fleece fabric. This advanced synthetic material delivers surprising warmth for its low weight, trapping a layer of air against your skin while remaining highly breathable to prevent overheating during intense efforts. What truly sets Thermoflex apart is its luxurious softness and exceptional four-way stretch. This ensures a close, anatomical fit that moves with you through every pedal stroke, providing gentle compression and support without ever feeling restrictive. They feel less like an addition and more like a natural extension of your bib shorts.Comfort on long rides is paramount, which is why Castelli engineered the Thermoflex 2 with a single-piece construction. This minimalist design drastically reduces the number of seams, and the ones that are present are flat-lock stitched to lie completely flush against the skin. The result is a smooth, chafe-free experience, eliminating the irritation and discomfort that can plague lesser quality warmers. You can focus entirely on your ride, not on your gear.Security and fit are perfected with a dual-sided silicone gripper elastic at the top opening. This innovative design grips both your skin and the fabric of your shorts, creating an unshakeable hold that prevents the warmers from sliding down, no matter how hard you´re pushing the pace. No more awkward mid-ride adjustments—just set them and forget them. Finished with subtly embossed Castelli wordmark logos, these warmers offer a touch of classic, understated style that complements any cycling kit. Incredibly lightweight and packable, they easily fold down to fit into a jersey pocket, making them the ultimate versatile tool for managing changing temperatures on the go.Attributes: Knee braces, Men, SyntheticFeatures:* Thermoflex fleece fabric is warm, stretchy and soft* Single-piece construction with flat-lock seams* Embossed Castelli wordmark logos* Dual-sided silicone gripper elastic at top prevents sliding downSpecifications:* Temperature Range: 12°-20°C / 54°-68°F* Weight: 84 g