Follow this Link to Land's End, where the appropriate code (SAVE40) and pin (9019) will get you 40% savings on your most expensive (or only) item. The Sherpa Boy's Hoodie is marked down to $24.50, and with 40% off ends up being $20.65 shipped. If your son needs a warm, fleece lined, zip up hoodie, this looks like a good one. Be aware that sizes run a bit small unless your lad is slim.
PS. This promo code will also get you free shipping IF you spend $75.00 or more.