castelli upf 50 light arm sleeves Activity_Kids Outdoor Collection essential SLIP-ON construction in knit

essential SLIP-ON construction in knit fabric that reduces to a minimum the volume of each individual element of the shoe optimizing the dimensions and layer of material for a snug fitting

This season’s iteration utilizes recycled Unifi REPREVE® yarn derived from post-consumer waste plastic

Taste-FreeTM: The interior of the drinking bubble and the tube are as smooth as glass

Unique neckline for added style and comfort

castelli upf 50 light arm sleeves Activity_Kids Outdoor Collection essential SLIP-ON construction in knitWe 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