Castelli UPF 50+ Light Arm 2 Sun Sleeves

Sun protection without overheating. Officially, this fabric offers UPF 50+ sun protection, but in the Castelli laboratory tests it effectively blocked 99.8% of harmful UV rays. The polyester base is more effective than nylon at blocking UV rays but it is also much better at keeping you dry.

KEY FEATURES

• Solare fabric keeps the chill off without causing overheating
• UPF 50+ protection
• Polyester based for excellent moisture management
• Silicone elastic at top for excellent grip
• Weight: 65 g
• Temperature:10C – 18C / 50F – 64F