The Brooks Women's Epiphany Run Tee is a short sleeve top that takes care of visibility with 360° of Scotchlite™ retroreflectivity, sun protection rating of 40+ , and moisture management so the only thing you need to focus on running your best. The Semi-fitted v-neck and improved fit are flattering and look great on race day o at the coffee shop after training. IF you are doing longer runs there is Envelope pocket for gels, I.D., or other essentials. The Brooks Women's Epiphany Run Tee is ideal for 65 deg and above These are Ideal for 65 deg and wamer.