6.9 oz 100% polyester baby pique interlock fabric with water repellent finish. Repel fabric resists wind and water to protect you against inclement weather. UV Repel technology keeps skin safe from the sun's harmful rays. UPF 50. Stretch reflective tape with overlock stitching across front/back shoulders and forearms allows for a greater range of motion. Tonal zipper with Callaway logo rubber zipper pull. Feminine stitch detailing. Reflective Callaway logo heat seal on right sleeve.