Saucony Altitude Baselayer 2.0 Women's Running Apparel Fall 2017 : The Saucony Altitude Baselayer 2.0 running top for fall 2017 is focused on giving runners the ultimate warmth they need to prevail during the cold weather months. This ultra-soft long sleeve top is perfect for layering under a jacket or wearing by itself with its special Primaloft Thermal technology. The fitted style moves with you and wont get in the way of your workout or run. Features quick drying technology. Long & lean fit with shaped bottom hem provides stay-put coverage. Includes an envelope pocket at the back for storing small essentials. A mock neck offers even more coverage on blustery days.