Belk offers Under Armour® bottle sizes from 18 ounces to 24 ounces. Under Armour® H2O bottles are fully insulated to keep liquids cold for 12 hours. Perfect for take-alongs, Under Armour® water bottles are light weight and have built in straws. Enjoy Under Armour® bottle styles in bright, fun colors. Under Armour® H2O bottles make great gifts for anyone who does not want to buy expensive bottled water. Find Under Armour® bottle styles for everyone on your gift list at Belk.