No mountain high enough and no bike ride too far? Wherever you go, our Sigg Gemstone ONE 0.5L double-wall insulated thermo flask from the Gemstone collection will be a reliable companion: shatterproof and odorless. It is made of 18/8 stainless steel and keeps your drink hot or cold for hours due to it’s vacuum insulation.

The innovative ONE top makes the bottle even more comfortable to use: carry, open, drink, close and seal – all conveniently with one hand only! The 0.5-liter Selenite bottle is as resistant and durable as a stone and timelessly classic just like a gem.