Product Details + Product Feature: 95% Polyester / 5% Spandex Lightweight & stretchy fabric wicks sweat away and helps keep you dry and comfortable Built-in mesh briefs enhance breathability to help you stay cool Side motion vents for ventilated comfort and freedom to move. 4-way stretch fabrication allows greater mobility & maintains shape Two side pockets for convenience and back zippered storage pocket keeps your valuables secure on the run Reflective elements enhance visibility in low light.Reference size: Waist(in) Size S-2XL: 30.5-32.5in / 33-35in / 35.5-37.5in / 38-41in / 42-44.5in Hips(in) Size S-2XL: 36-38in / 38.5-40.5in / 41-43in / 44-46.5in / 47.5-50in / Inseam(in):5in.