Columbia Unisex Deflector Arm Sleeve, Cool Grey, Small/Medium

This arm sleeve provides superior coverage thanks to technology that deflects sun away from your body and protects you from UV rays. Its breathable design is activated by sweat, moving moisture off the fabric’s surface for optimal comfort. The technology featured the fabric of these arm sleeves is unmatched. The exterior layer provides ultimate protection from harmful sun rays with UPF 50; while the cooling technology is made of blue rings that react with sweat to lower the temperature of the fabric to keep you cool and comfortable during any activity. The sides feature our signature logo for add style. Columbia offers the Unisex Freezer Zero Arm Sleeves in multiple colors and sizes.