If you work out when it's cold, you better do it in ColdGear Armour. Fitted Fit (close to the body without constriction of compression). Light weight
Under Armour, 1368702-001, ColdGear, Authentic Mock
images-na.ssl-images-.com/images/I/417V4lTdL
m.media-.com/images/I/51djvxJxY5L._AC_SL1000
m.media-.com/images/I/51Gi3-2J5EL._AC_UY1000
Women's ColdGear® Authentics Mock Neck
Under Armour Shirt UA Fitted LS Mock ColdGear 1215968 XL Womens
Under Armour Authentic Coldgear® Mock - Atlantic Sportswear
Under Armour ColdGear Long Sleeve Mock Shirt Womens XL 1215968-100
Under Armour Womens Large ColdGear Authentic Mock Fitted 1215968
Under Armour Men's ColdGear Compression Mock, Royal (400)/White, X
Women's UA Tactical ColdGear® Infrared Base Mock