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Castelli UPF 50+ Light Arm Sleeves

Castelli UPF 50+ Light Arm Sleeves
  • Color: Black
  • Color: White
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Details

You can officially only rate these warmers at UPF 50+, but in the laboratory tests they actually blocked 99.8 percent of damaging UV rays. Castelli 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, which means these arm sleeves are better in both cooler and warmer conditions.

Castelli kept the construction very clean to eliminate seams that can rub, and used the double-sided silicone elastic to make sure they stay in place. They fold up extremely small, so they’re great to stick in your pockets for your next big mountain day.

  • Solare fabric keeps the chill off without causing overheating

  • Polyester based for excellent moisture management

  • Double-side silicone elastic at top for excellent grip

  • 12°-35°C / 53°-95°F

  • Weight: 67g

  • UPF 50+ protection