GSI Boulder Flask 10 fl.oz

Your favourite kayak expedition beverage can now go anywhere in the GSI Boulder Flask. Includes graduations for measuring and can take any impact with it’s sleek bumper. The Boulder 10 Flask holds 10 fl oz, has a shatter-resistant body, and a hinged silicone cap meaning consumption is the only way you’ll lose any of your precious personal ‘expedition fuel’. 

• Shatter-resistant, co-polyester resin body and grippy, silicone bumper 
• Wide mouth makes for easy filling, pouring and drinking
• Hinged top with silicone grip is easy to open.
• Convenient moulded graduation marks
• BPA Free
• Weight: 135g
• Orange and Clear colourway