GSI Outdoors GSI Boulder Flask

TAKE YOUR FAVOURITE DRINK ANYWHERE IN THE GSI BOULDER FLASK

Includes graduations for measuring and can take any fall with the sleek bumper flask. The Boulder 10 Flask holds 300 mls, has a shatter-resistant body with bumper, graduations, and a hinged silicone cap making it impossible to loose. 

FEATURES OF THE BOULDER FLASK

• Shatter-resistant, co-polyester resin body and grippy, silicone bumper mean this flask can go anywhere
• 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
• BPA Free
• Available in Graphite and Orange Colours