Flo explains her favorite base layer for running in the winter. With tips for what to wear for cold weather running, she also provides suggestions for beginning runners. Pieces shown are the Under Armour ColdGear SubZero Mock (a long-sleeved compression top) and Adidas Supernova Formotion tights. Together, they carry her through a variety of winter running and temperature variations. Look out for her next videos on running jackets and cold weather accessories. You can never have too many tips for running in the cold.