Under Armour Deals on Amazon Today | 25% OFF Hoodies! October 1, 2015 by Jamie 1 Comment Tweet Under Armour Deals on Amazon Today! If you have some Under Armour fans on your list, you might want to hop on some of these deals! Today on Amazon take 25% OFF Under Armour Fleece Hoodies & Workout wear for the family! Check out more Online Deals here!