GSI Boulder 10 Hip Flask


GSI Boulder 10 Flask

A hip flask that is lightweight, almost indestructible and can fit anywhere. We believe comfort and quality should never be absent in the outdoors. Craft yourself an Old Fashioned from your favourite whisky or rye, a Negroni, a G&T, - what ever your favourite drop is; it can now go anywhere in the Boulder Flask. Remember, whisky is lighter than water.

Shatter-resistant, BPA free copolyester resin body and grippy, silicone bumper mean this flask can go the distance.

GSI Boulder 10 Hip Flask Features

  • Wide mouth makes for easy filling, pouring and drinking.
  • Hinged top with silicone grip is easy to open and impossible to misplace.
  • Convenient moulded graduation marks.
  • Choose Graphite or Orange

GSI Boulder 10 Hip Flask Specifications

    • Volume: 295 ml
    • Dimensions: 9.4 cm x 2.8 cm x 16.5 cm
    • 115g
  • Material: Copolyester, Silicone


Customer Reviews

Based on 7 reviews
Andrew Ferguson
GSI Boulder 10 Hip Flask

Great product perfect for outdoors and campfire tipple..!

Richard Maconochie
Best damn flask out there.

Took this on the larapinta trail and it held up to living in a pack, and offered great morale at the end of a long day of hiking. Made of durable material. Highly recommend.

Light & leakproof

Idea for the outdoors & travel.

Boulder 10 Flask

Neat, light flask that doesn’t leak.

Chris Carr
An upgrade to the stainless steel hip flask

This is a top quality, well made hip flask with sturdy construction and transparent side walls allowing for ease of filling and monitoring. Ample volume for trips away and sharing around the campfire. Lid opening angle better for pouring than sipping.

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