Castelli UPF50+ Light Arm Sleeve Color:WHITE The oversized semi-rimless frame is

The oversized semi-rimless frame is matched with a new

Inside: 180g

FF BLAST™ ECO PLUS technology - Cushioning creates a softer landing and a more responsive toe-off

ABS shell with variable elasticity

The New Wave Swim Buoy is useful in point to point swims

Castelli UPF50+ Light Arm Sleeve Color:WHITE The oversized semi-rimless frame isCastelli can officially only rate these warmers at UPF 50+, but in our 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 has kept the construction very clean to eliminate seams that can rub, and we used