Nike Swimming Shorts Size & Fit Regular fit Available in sizes XS-XL Size Guide: XS = 7-8 years, S = 8-9 years, M = 9-11 years, L = 11-13 years, XL = 13-15 years Details End Use: Swimming 4 Inch Volley Swim Shorts by Nike Teal Split logo print Signature Swoosh sits at the waist Stretch elasticated waistband for extra give Regular cut through leg for ease of movement Material & Care Material Content: Body: 100% polyester; Lining: 50% recycled polyester 50% polyester