Castelli Thermoflex armwarmer are the perfect choice if you don’t need the extra wet weather protection of Nano Flex, or if you’ve always been happy with traditional warmers, you’ll find that Castelli’s Thermoflex warmers offer the softest, most luxurious fabric combined with careful attention to construction details.

• 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 down.
• 8-20C / 46-68F.
• Weight:61 g.

The Castelli Thermoflex 2 Arm Warmers provide a warm layer to keep the chill away, ensuring comfort during rides. The fleece-like interior traps warm air against your skin for warmth on cold days, while the stretch material offers an aerodynamic fit for efficiency. Don’t let cold weather stop you from biking; grab a pair and ride on!