For the first time, Ralph Lauren collaborates with RLX Golf ambassador Billy Horschel to create the RLX x Billy Horschel collection for Fall 2018. This moisture-wicking jersey half-zip mockneck top is inspired by Mr. Horschel's course attire during the 2018 PGA Championship and cut in a feminine silhouette. - Straight fit. Intended to hit at the hip. - Size medium has a 24½" front body length, a 26" back body length, a 37" bust, a 36" waist, and a 32¼" sleeve length. Sleeve length is taken from the center back of the neck and changes ¾" between sizes. - Mockneck. Half-zip placket. - Long sleeves with thumbholes at the cuffs. - "RLX" printed at the right shoulder. - Polyester, elastane. - Machine washable. - Model is 5'10"/178 cm and has a 32" bust. She wears a size small.