The O1 is a jacket similar to the Hydrogen but lined with our TS1 and in Extreme weight. The jacket is designed to be a smock style and pulls on over the head with a quarter zipper with storm flap & a shallow collar. To keep the jacket in place when used under a drysuit, it is fitted with an easily detachable elastic, adjustable crutch strap system.
Available in Compact, Extreme and Extreme plus weights, which can be mixed and matched; top and trouser as suits your needs best.
We find this jacket offers an exceptional ease and range of movement.
Download Oxygen Set Size Chart Here https://weezle.co.uk/wp-content/uploads/2016/02/Oxygen-Set-Size-Chart.pdf