Mars The Label Womens Seamless Compression Fit Biking Shorts. Mars The Label Womens Seamless Compression Fit Biking Shorts are designed to support your active lifestyle with style and practicality. Crafted from 90% nylon and 10% elastane, these solid athletic shorts feature a stretch fabric construction, an elastic waist, a crotch gusset for added durability, and a subtle logo detail. Ref: UTGT73700