Under Armour Quarter Zip Black Blue Fitted 2.0 Base Layer The next level of warmth in a base layer. The 2.0 is lightly lined and can be worn with just a sports bra or on top of a thin layer. See pictures for detail. Some fuzzies on the collar from storage but will come right out after a wash or lint roller. Logos are all intact and not peeling. In excellent condition and hardly worn.