Columbine size 150 short-sleeved gym uniform, clean white. - Brand: Columbine - Size: 150 - Sleeve Length: Short Sleeve White 65% Polyester 35% Cotton Gym Uniform Round Neck Short Sleeve Columbine Gym Uniform Short Sleeve 150cm [New, Unused] It's made of sturdy fabric, but not too thick, and the neckline opening is just right for a gym uniform(^^ Thank you for looking.