Under Armour via eBay offers the Under Armour Boys' Armour Fleece Hoodie in five colors (Royal/White pictured) for $26.99 with free shipping. That's the lowest total price we could find for a similar hoodie by $9. It's available in sizes S to XL.
S&D Kids via Amazon offers the Columbia Boys' Steens II Fleece Jacket in four colors (Red pictured) for $15.99 plus $4.95 for shipping. Outside of the below mention, that's the lowest total price we could find by $5. It's available in sizes XXS to L, although not in all size/color combinations.
A close price: Sports Authority offers it in a different color selection for $21.98 with free shipping.
Finish Line offers the Nike Boys' Jordan Microfleece Jacket in four colors (Red/Black pictured) for $19.99 plus $6.49 for shipping. That's $35 off list and the lowest total price we could find. It's available in sizes S to L, although not in all size/color combinations.
REI Outlet offers the Columbia Girls' June Lake Fleece Jacket in Groovy Pink, Hyper Purple, or Riptide for $13.73. Choose in-store pickup to dodge the $5.99 shipping fee. That's the lowest price we could find by $4. It comes in sizes S to L.