The Castelli UPF 50+ Light Arm Sleeves provide lightweight cooling and reliable sun protection for long rides in hot weather. Made with Solare fabric, they wick moisture efficiently to keep your arms cool and dry while offering a UPF 50+ rating for superior UV coverage. A double-sided silicone elastic at the top ensures a secure, slip-free fit, making these sleeves perfect for sunny climbs and endurance rides.

• Lightweight arm sleeves for warm to hot conditions
• Fit: Form-fitting
• Weight: 71 g
• Temperature range: 8–18°C / 45–64°F
• Solare fabric for cooling, moisture-wicking performance
• UPF 50+ sun protection for long rides in direct sunlight
• Double-sided silicone elastic for a secure hold
• Breathable, lightweight design ideal for summer training