- This Polo shirt is generously cut from lightweight stretch jersey that wicks away moisture and also provides UPF 35 protection from UV rays. - Active Fit: a relaxed silhouette. Polo Ralph Lauren RLX Golf shirts also come in Custom Slim Fit (slightly slim). - Size medium has a 30" front body length, a 32" back body length, an 18½" shoulder, and a 22" chest. - Polo collar. Three-button placket. Signature buttons. - Short sleeves. Woven “RLX” loop at the right cuff. - Tennis tail. - Excellent UV protection: UPF 35. - Polyester, elastane. - Machine washable. - Imported. - Model is 6'1"/185 cm and wears a size medium.