Lululemon ShowZero classic fit polo shirt. Excellent preowned condition, worn once but too large for my son. Color: light blue Size Medium M ShowZero™ technology uses innovative fabric construction to hide the appearance of sweat on the outside, while wicking it off the skin on the inside Sweat-wicking Breathable Four-way stretch Soft feel next to skin UV protective UPF 40+ provides very good UV protection to only covered areas. This item’s protection may be reduced with use, or if it gets stretched or wet. Sun exposure causes skin damage This garment was treated with No-Stink Zinc™ to inhibit the growth of odour-causing bacteria on the fabric Snap-button front