REI offers the REI Boys' Midweight MTS Crew Shirt in Black for $5.83 plus $5.99 for shipping. That's $17 off list and tied with our mention from three weeks ago as the lowest total price we could find. Sales tax is added where applicable. It comes in sizes
S, M, and L.
Rei Midweight Mts Power Dry Polartec Base Layer Wicking V-neck Sz Medium Top, a similar product, is available at these stores