CASTELLI UPF 50+ Light Arm Sleeves shocz IMPROVED ROTATION

IMPROVED ROTATION

HRM-Swim and HRM-Pro) Kid Activity Tracking Features

Covered YKK® Vislon® zipper

Energy gels are smooth gels with a light consistency

CASTELLI UPF 50+ Light Arm Sleeves shocz IMPROVED ROTATIONWe can officially only rate these warmers at UPF 50+, but in our laboratory tests they actually blocked 99. 8 percent of damaging UV rays. We 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. Weve kept the construction very clean to eliminate seams that can rub, and we used our double sided