Polar Pioneers Challenge S-XXL A Halkey Roberts air valve

A Halkey Roberts air valve will help you deflate or inflate the bag on demand

Constructed from a 195gsm merino fabric

Utility plays a crucial role in the Ronne's design with four big external zipped pockets that will carry everything you need on the move

Thanks to the vacuum insulated

Polar Pioneers Challenge S-XXL A Halkey Roberts air valveWrite your own chapter in the pioneering history of Antarctica on this unique Shackleton Challenge. Launching from our HQ at Union Glacier, you will ski travel or skidoo into the Heritage Range which forms the Southern region of the highest mountain range in Antarctica, the Ellsworth Mountain system. The stunning topography consists of ridges, peaks, escarpments and nunataks within a network of intervening glaciers. Led by our world class team of