Features of the Smartwool Women's PhD Short Lightweight stretch-woven outer short with supportive Merino/polyester brief inside Fitted internal brief provides thermoregulation, odor management, comfort, and dries quickly Wide Merino waistband for comfort and body enhancing Fit; Continuous loop drawcord for adjustability Secure back zip pocket with semi-auto locking zipper pull 360Adeg Reflectivity for visibility