Hydro Flask National Park Foundation 21 Ounce Standard Flex Cap and Boot

Style: NPFS21SX

Our Price: $39.95
Hydro Flask National Park Foundation 21 Ounce Standard Flex Cap and Boot

1. Choose a Color

   
Hydro Flask National Park Foundation 21 Ounce Standard Flex Cap and Boot Brick Hydro Flask National Park Foundation 21 Ounce Standard Flex Cap and Boot Emerald Hydro Flask National Park Foundation 21 Ounce Standard Flex Cap and Boot Mango Hydro Flask National Park Foundation 21 Ounce Standard Flex Cap and Boot Olive Hydro Flask National Park Foundation 21 Ounce Standard Flex Cap and Boot Sandstone

2. Choose a Size

3. Select Quantity




NPFS21SX Hydro Flask National Park Foundation 21 Ounce Standard Flex Cap and Boot

They're pretty much the perfect pair—our 21 oz Standard Mouth Bottle and our insulated Sport Cap. Together, they're your go-anywhere hydration companion. It stashes easily in a small shoulder bag, your pack’s side pocket, or your car cup holder, and holds enough to keep you going for hours without weighing you down.

  • Versatile, middle-of-the-road size, equipped with our insulated Sport Cap
  • TempShield insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours
  • Durable 18/8 Pro-Grade Stainless Steel construction
  • BPA-Free and Phthalate-Free
  • Compatible with our Standard Mouth Flex Cap
  • Lifetime Warranty
  • Sport Cap is not intended for use with hot liquids and is not leakproof

Product Care

  • Hand wash your flask and cap with hot, soapy water. Rinse the flask as well as the cap, and it's ready for adventure.

You Shouldn't:

  • Put your flask through the dishwasher or soak the exterior in hot water. Doing so can cause discoloration to the exterior.
  • Put the flask on the stove. This could cause damage to the exterior.
  • Soak or put the Flex Cap, Wide Flat Cap, Stainless Steel Flat Cap or Loop Caps through the dishwasher.

You Should:

  • Wash your flask with a bottle brush.
  • Use white distilled vinegar for cleaning. Use a 1/2 cup of vinegar in your flask, gently swirling the vinegar around to wash any affected areas and let sit for 5 minutes. Rinse thoroughly with warm water and repeat if necessary.
  • Use baking soda for cleaning, mix 2-3 tablespoons of backing soda with a small amount of warm water to form a scrubbing paste. Dip the bristles of your bottle brush in the paste and work paste into affected area on the inside of your flask. Repeat as necessary until stain disappears.
  • Wash your Hydro Flip Lid and Wide Straw Lid in the dishwasher. They Hydro Flip Lid and Wide Straw Lid are top-rack dishwasher safe. The cap may lastlonger if it is hand washed, but if it needs to be deep cleaned, the dishwasher is acceptable.
Hydro Flask National Park Foundation 21 Ounce Standard Flex Cap and Boot

NPFS21SX Hydro Flask National Park Foundation 21 Ounce Standard Flex Cap and Boot

They're pretty much the perfect pair—our 21 oz Standard Mouth Bottle and our insulated Sport Cap. Together, they're your go-anywhere hydration companion. It stashes easily in a small shoulder bag, your pack’s side pocket, or your car cup holder, and holds enough to keep you going for hours without weighing you down.

  • Versatile, middle-of-the-road size, equipped with our insulated Sport Cap
  • TempShield insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours
  • Durable 18/8 Pro-Grade Stainless Steel construction
  • BPA-Free and Phthalate-Free
  • Compatible with our Standard Mouth Flex Cap
  • Lifetime Warranty
  • Sport Cap is not intended for use with hot liquids and is not leakproof

Product Care

  • Hand wash your flask and cap with hot, soapy water. Rinse the flask as well as the cap, and it's ready for adventure.

You Shouldn't:

  • Put your flask through the dishwasher or soak the exterior in hot water. Doing so can cause discoloration to the exterior.
  • Put the flask on the stove. This could cause damage to the exterior.
  • Soak or put the Flex Cap, Wide Flat Cap, Stainless Steel Flat Cap or Loop Caps through the dishwasher.

You Should:

  • Wash your flask with a bottle brush.
  • Use white distilled vinegar for cleaning. Use a 1/2 cup of vinegar in your flask, gently swirling the vinegar around to wash any affected areas and let sit for 5 minutes. Rinse thoroughly with warm water and repeat if necessary.
  • Use baking soda for cleaning, mix 2-3 tablespoons of backing soda with a small amount of warm water to form a scrubbing paste. Dip the bristles of your bottle brush in the paste and work paste into affected area on the inside of your flask. Repeat as necessary until stain disappears.
  • Wash your Hydro Flip Lid and Wide Straw Lid in the dishwasher. They Hydro Flip Lid and Wide Straw Lid are top-rack dishwasher safe. The cap may lastlonger if it is hand washed, but if it needs to be deep cleaned, the dishwasher is acceptable.


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