Designed specifically for intense yoga practice, the prAna JD Short has serious stretch and moisture managing abilities. An elastic waistband and performance fit ensure there will be no loose distractions as you practice. Stretch fabrication. Elastic waistband. Size M = 6" (15.2cm) inseam. Fitted. 90% Recycled Polyester, 10% Spandex. Great For Yoga, Fitness.