The Nash Zero Tolerance Air Cell 3 in 1 Jacket is the most flexible of the Zero Tolerance Mid Layers, adapting instantly to your needs and versatile enough for everyday wear, making it one garment you will never leave at home. Stylish and super warm as a jacket, it transforms instantly into a body warmer, with an additional insulated hood that can be added or detached depending on how you choose to wear it. The Air Cell 3 in 1 is incredibly light, comfortable to move in, and packs down tightly to take up minimal space in a rucksack or carryall. This makes it perfect for mobility and maintaining comfort when conditions might worsen early or late in the day, or as the seasons start to change. Water resistant, it doubles as an outer layer in all but severe conditions.