Under Armour BaseMap 1.5 and 2.5

Under Armour's new BaseMap base layer system combines two materials into one technical performance garment that ensures your comfort and warmth. BaseMap 1.5 garments combine 1.0 weight fabric in areas where significant flexing and heat dissipation occurs, while the 2.0 fabric provides a higher level insulation to core body areas. Choose from sizes M-2XL.
BaseMap 2.5 garments combine 2.0 weight fabric in areas where significant flexing and heat dissipation occurs, while the 3.0 fabric provides a higher level insulation to core body areas. Choose from sizes M-2XL.