Track Pants - 100% Polyester twill mesh lined.
Why do first, second, and third grade Japanese students wear different uniforms in anime? - Quora
Gym Clothes for Tall Guys
Vice 84 'Académie Des Sports Script' Nylon Trackpants - Navy – UN:IK Clothing
Do high schoolers in Japan wear a towel inside the water, or is that just in anime? - Quora
WOMEN'S TRACKSUIT FOR YOGA TRACK PANTS, GYM ACTIVE CLOTHING SET
Gym Uniform – Page 9 – Olive Grove School
Queenstown Primary School Uniform Track Pants
Mio Akiyama (K-ON!) LoRA - AIEasyPic
Optimal Gym Track Pant - Black - Ryderwear
GPS Sports Track Pants – Shop Schoolay
Do Japanese people use gyms? - Quora