SKU: 55109801512

GSI Outdoors 10 Oz Boulder Flask

Sale price$148.95 Regular price$165.50
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

GSI Outdoors 10 Oz Boulder FlaskThe GSI Outdoors Boulder Flask 10 fl. oz Take your favourite beverage on the go with the versatile Boulder Flask. Designed with shatter resistant co polyester resin and a grippy silicone bumper, this flask is built to withstand any adventure. With a capacity of 10 fl oz, it features convenient moulded graduations for precise measuring. The wide mouth of the Boulder 10 Flask allows for easy filling, pouring, and sipping, while the hinged top with a

The GSI Outdoors Boulder Flask 10 fl.oz

Take your favourite beverage on the go with the versatile Boulder Flask. Designed with shatter-resistant co-polyester resin and a grippy silicone bumper, this flask is built to withstand any adventure. With a capacity of 10 fl oz, it features convenient moulded graduations for precise measuring.

The wide mouth of the Boulder 10 Flask allows for easy filling, pouring, and sipping, while the hinged top with a silicone grip ensures it stays securely closed during travel. Say goodbye to misplaced caps thanks to the innovative design of this flask.

Specifications:

  • Material: Shatter-resistant co-polyester resin body with silicone bumper
  • Capacity: 10 fl oz
  • Features: Wide mouth for easy filling, pouring, and drinking; hinged top with silicone grip; moulded graduations
  • Safety: BPA Free
  • Weight: 135g

Whether you're hiking, camping, or simply on the move, the GSI Outdoors Boulder Flask 10 fl.oz is the perfect companion for keeping your drinks close at hand. Stay hydrated and refreshed wherever your adventures take you.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 55109801512

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Espresso
Los Angeles, US
★★★★★ 3
Great price, not great quality
Material Type: Recycled Polyester, Color: Black, Size: Small
Simple, straight forward all black polo. I am a size medium woman (with some room since I don't like form-fitting) and bought a men's small. Fits perfectly for my frame. Long enough to tuck in for my part-time extra weekend job uniform. Also suitable for the golf course. A little thin, and if you hold it up to light you can sort of see through it. *Not* flowy, soft and smooth fabric like a rash guard/sun shirt - more structured than that. But it's cool and does the job for the price under $10.
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Reviewed in the United States on August 13, 2024
K
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Ken Strech
Waukegan, US
★★★★★ 5
Recommend
Material Type: Recycled Polyester, Color: Dark Navy, Size: X-Large
Great fit, right price
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Reviewed in the United States on March 18, 2026
G
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Gwen
Phoenix, US
★★★★★ 5
Nice polo
Material Type: Recycled Polyester, Color: Dark Teal, Size: Medium
Fantastic polo shirt. Size was true to fit. Color is amazing. It’s soft and it has held up through washes since Christmas.
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Reviewed in the United States on March 14, 2026
A
Verified Purchase
Al
Chelsea, US
★★★★★ 5
Great shirt for the price.
Material Type: Recycled Polyester, Color: Electric Blue, Size: Large
Bought this for my son. Very nice shirt for the price, it is true to size and the color is the same as the picture. Would definitely buy it again. The material is good quality. No issues whatsoever
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Reviewed in the United States on May 19, 2026
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SM
Fort Morgan, US
★★★★★ 5
Great purchase
Material Type: Recycled Polyester, Color: Dark Navy, Size: X-Large
Purchased several shirts, all were great quality. You never know what you’ll get when you purchase sight unseen, these are worth it. Great value, style, and comfort. Color is exactly what you see online. True to size.
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Reviewed in the United States on November 25, 2025

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