The Helly Hansen Odin Mountain Infinity 3L Shell Jacket was developed and field tested in extreme conditions, from the Himalayas to the Antarctic Ocean, to give not only mountain guides the right gear, but also regular Joes like us. LIFA INFINTY PRO(TM) takes environmental responsibility to the next level with the evolution of the LIFA fiber to create a durable and hydrophobic face fabric without the use of a DWR coating. Paired with a chemical and solvent-free LIFA INFINITY(TM) membrane delivering top-notch waterproof-breathable performance, LIFA INFINITY PRO(TM) delivers everlasting waterproof protection without the use of chemicals or needing to be reproofed.