The Pearl Women's P.R.O.Tri Top is constructed with lightweight, aerodynamic and friction-reducing materials to get you to the finish in record time. The P.R.O. Featherweight Gloss fabric provides UPF 50 protection, it's chlorine-resistant and it's ultra thin so there's no bulk to slow you down. Direct-Vent mesh panels give you unsurpassed temp regulation as well as breathability on even the hottest days. The internal shelf bra gives you running support and flat-lock seams along with low-profile hems give you a streamlined, comfortable fit. Plus, you have a rear pocket to stash some nutrition for out on the course.