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Hydro Flask 40 oz. Wide Mouth Insulated Bottle

One of the largest bottles Hydro Flask® sells, this is the ideal hydration companion for those long days in the office or a full day on the beach or trail. Stay cool and hydrated all day long, no matter where your adventures take you.

Replacing the existing cap on all their Wide Mouth bottles, the award-winning Flex Cap is the ideal combination of strength and flexibility. Designed for ultimate portability, every detail was crafted with easy-carry, (insulated) comfort in mind so you can go further, for longer.

  • Large water bottle for longer adventures
  • Less refills mean more refreshment at hand
  • Pure and strong 18/8 pro grade stainless steel construction
  • BPA-free and phalate-free
  • TempShield™ double wall insulation
  • Keeps cold up to 24 hours
  • Keeps hot up to 6 hours
  • Won't retain odors
  • Durable, sweat-free finish
  • Fits most backcountry hydration filters
  • Compatible with Wide Flat Cap, Hydro Flip Lid and Wide Straw Lid, sold separately
  • Manufacturer's lifetime warranty
  • Wide mouth diameter: 2.28"
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Hydro Flask® provides users the freedom to go anywhere with the assurance that their cold liquids will stay cold for 24 hours, and hot liquids will stay hot for 12 hours.
Description Capacity Dimensions Weight Price  

W40TS306 - Olive

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Hydro Flask 40 oz. Wide Mouth Insulated Bottle
W40TS306 - Olive

SKU #:
03958089
UPC #:
817318023733
Capacity:
40 fl. oz.
Dimensions:
10-3/8" x 3-1/2"
Weight:
1 lb. 1.5 oz.
Material:
18/8 stainless steel
40 fl. oz. 10-3/8" x 3-1/2" 1 lb. 1.5 oz. $42.95

W40TS740 - Lemon

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Hydro Flask 40 oz. Wide Mouth Insulated Bottle
W40TS740 - Lemon

SKU #:
03958097
UPC #:
810497026403
Capacity:
40 fl. oz.
Dimensions:
10-3/8" x 3-1/2"
Weight:
1 lb. 1.5 oz.
Material:
18/8 stainless steel
40 fl. oz. 10-3/8" x 3-1/2" 1 lb. 1.5 oz. $42.95

W40TS050 - Graphite

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Hydro Flask 40 oz. Wide Mouth Insulated Bottle
W40TS050 - Graphite

SKU #:
03958071
UPC #:
810497022603
Capacity:
40 fl. oz.
Dimensions:
10-3/8" x 3-1/2"
Weight:
1 lb. 1.5 oz.
Material:
18/8 stainless steel
40 fl. oz. 10-3/8" x 3-1/2" 1 lb. 1.5 oz. $42.95

W40TS001 - Black

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Hydro Flask 40 oz. Wide Mouth Insulated Bottle
W40TS001 - Black

SKU #:
02752152
UPC #:
810497023075
Capacity:
40 fl. oz.
Dimensions:
10-3/8" x 3-1/2"
Weight:
1 lb. 1.5 oz.
Material:
18/8 stainless steel
40 fl. oz. 10-3/8" x 3-1/2" 1 lb. 1.5 oz. $42.95

W40TS407 - Cobalt

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Hydro Flask 40 oz. Wide Mouth Insulated Bottle
W40TS407 - Cobalt

SKU #:
02752178
UPC #:
810497022580
Capacity:
40 fl. oz.
Dimensions:
10-3/8" x 3-1/2"
Weight:
1 lb. 1.5 oz.
Material:
18/8 stainless steel
40 fl. oz. 10-3/8" x 3-1/2" 1 lb. 1.5 oz. $42.95

W40TS415 - Pacific

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Hydro Flask 40 oz. Wide Mouth Insulated Bottle
W40TS415 - Pacific

SKU #:
02752186
UPC #:
810497022665
Capacity:
40 fl. oz.
Dimensions:
10-3/8" x 3-1/2"
Weight:
1 lb. 1.5 oz.
Material:
18/8 stainless steel
40 fl. oz. 10-3/8" x 3-1/2" 1 lb. 1.5 oz. $42.95

W40TS825 - Mango

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Hydro Flask 40 oz. Wide Mouth Insulated Bottle
W40TS825 - Mango

SKU #:
02752194
UPC #:
810497022672
Capacity:
40 fl. oz.
Dimensions:
10-3/8" x 3-1/2"
Weight:
1 lb. 1.5 oz.
Material:
18/8 stainless steel
40 fl. oz. 10-3/8" x 3-1/2" 1 lb. 1.5 oz. $42.95