FIT: This seamless panty has a ribbed gusset for comfort and fit. Perfect for layering under a pair of shorts for additional coverage. FABRIC: Spike Knit is a unique nylon-spandex blend knitted circularly to create a slimming fit and ultimate flexibility. Hang dry to retain this special fabric’s quick-dry, anti-bacterial and stretchy elements. WEAR IT: To a hot yoga or spin class. 95% Nylon, 5% Spandex. Measurement from size p/s. Waist top edge: 25 5/8 inches. Hip between top edge of leg opening: 27 1/2 inches. Machine washable.