Jlong Mens Compression Base Layer Pants Tight Long Leggings Under pants Material: Spandex & Polyester Colors: Black, White, Blue, Gray, Green, Red Season: Spring, Summer, Fall/Autumn, Winter Occasion: Sports/Cycling Item Included:?1 * Men's Sport Bottom Fits for : Auto Racing, Baseball & Softball, Basketball, Bowling, Hiking, Cycling, Fitness & Yoga, Football, Golf, Gymnastics, Running, Soccer etc. for all exercise. Ideal for gym wear, training, sportswear, work wear and everyday wear. Note:S/US2-4, M/US4-6, L/US6-8, XL/US8-10 It is manual measurement, All the size name is Asia size.It is smaller than US size.Hope you can carefully match the size chart choose the right size or you can choose the bigger size than you usually wear American size. The item is elastic and good quality. And item color displayed in photos may be showing slightly different because the white background.