Shively Sporting Goods via eBay offers the adidas Men's Climalite Game Time Polo Shirt in several colors (White pictured) for $12.99 with free shipping. That's a tied with last week's mention as the best price we've seen. (It's a low today by $7.) It's available in select sizes from S to 3XL.
There are many ways for seniors to get cheap -- and even free -- entertainment and services.