My goto outdoor brew mug. Whether I'm in the garden or out in the woods, my GSI infinity is with me. 
 
Its durable, non-leaching, 100% recyclable, clear Infinity polypropylene. This 99g mug comes with an insulated sleeve to keep liquids hot or cold. This unimaginably lightweight, insulated mug is sure to become your favourite and most handy piece of tableware.
 
Available in 4 colours.