The Men's ColdGear Fitted Mock Tops by Under Armour fits wonderfully snug yet not binding. It provides good warmth in 35 degree weather with only a 5.11 #72175 TacLite Professional Long Sleeve Shirt over it. The delivery time was very good I am pleased with "Street Moda" the sellers response. I am presently sitting in a 61 Degree afternoon and still comfortable not heating up with the Men's ColdGear Fitted Mock Top still on.  Very Pleased...