Bad Birdie Peru Nights Sleeveless Performance Polo Size M Brand: Bad Birdie Size: M Color: Light Blue Product Details An evolution of our top-selling women's core performance polo, this sleeveless version brings a touch of refined style to performance-driven design. 4-WAY STRETCH Conforms to your body with every swing. Incredibly comfortable. ANTI-ODOR Antimicrobial fabric that keeps body odor at bay. UPF 50 FABRIC Protects against harmful UVA/UVB rays during those summer tee times. MOISTURE WICKING Brings moisture to the surface, where it can evaporate.