Shively Sporting Goods via eBay offers the adidas Men's Climalite Utility Crew-Neck T-Shirt in several colors (Black pictured) for $11.95 with free shipping. That's $5 under last month's mention, $28 off, and the lowest price we've seen. It's available in select sizes from XS to XXL.
These tips will leave your ride smelling swell without breaking the bank. Some are also chemical-free.