This is an activewear top by Tek Gear in a women's size L.
It is infrared-colored with short-sleeves, lightweight/ breathable material, a round neck, and patterned stitching on the back.
The tee measures about 27" from the back of the neck to the bottom hem, 21" from underarm to underarm, and 9.5" from the top of the shoulder to the cuff when laid flat. It was made in Haiti and is 100% polyester.
This item comes in very good pre-owned condition with the original tag still attached.