NWT Mens Bad Birdie Size XL Crushable Pattern Core Performance Polo Shirt Top. 4-Way Stretch Technology - Moves with your body through every swing for exceptional comfort and unrestricted motion Advanced Anti-Odor Protection - Innovative antimicrobial fabric keeps you feeling fresh all day, eliminating body odor before it starts UPF 50 Sun Protection - Premium fabric shields your skin from harmful UVA/UVB rays during long days on the course Superior Moisture Management - Advanced wicking technology pulls sweat away from your skin for rapid evaporation, keeping you cool and dry Stay-Right Collar Design - Specially reinforced collar maintains its perfect shape round after round, eliminating curling for a polished look that lasts 85% Polyester, 15% Spandex Machine Wash Cold, Hang Dry for Best Results