Castelli UPF 50+ Light arm warmers LordGun online bike store

Castelli can officially only rate these warmers at UPF 50+, but in their laboratory tests they actually blocked 99.8% of damaging UV rays. Castelli have used a polyester base that is not only more effective than nylon at blocking UV rays but is also much better at keeping you dry.


  • Polyester based for excellent moisture management
  • Solare fabric keeps the chill off without causing overheating
  • UPF 50+ protection
  • Double-side silicone elastic at top for excellent grip