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UA 18oz Vacuum Insulated Hydration Bottle

Stainless Steel
1 Review(s)
14 hours

Matte Black



  • Thermos™ vacuum insulation technology for maximum temperature retention
  • Keeps cold 14 hours
  • Durable stainless steel interior and exterior
  • Locking push button lid with carry loop
  • Sweat-proof
  • Not for hot liquids
  • 18-ounce capacity
  • Product Size (W x D x H): 2.9" x 2.9" x 10.1"

Product description

Athletes need to perform their best, and that starts with proper hydration. Thermos® vacuum insulation technology delivers maximum temperature retention every time so that your drink stays cold the entire time you're training or competing. The Under Armour® 18-ounce vacuum insulated hydration bottle will keep cold for up to 14 hours and features durable double wall stainless steel construction. The push button lid is easy to operate with one hand and includes a locking ring to keep the lid secure during transport.

Item numbers

Matte-black: US4000BK4, Stainless-steel: US4000SS4, Matte-white: US4000WH4, Exotic-bloom: US4004EB4


Mark Wynn - May 19, 2019
Excellent for bicycle water cages
I like water bottles with push button, protective caps for trail riding to keep out dust, etc. This size fits my titanium water bottle cages, and is the right size for my medium-large hand to grab it, push the button, drink through free flowing tube without having to squeeze or suck, and finger cap back down, all with one hand. I just hope Thermos provides replacement plastic caps at a reasonable price, as these nice, stainless steel vacuum bottle are expensive and should last a long time.
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