Adapting instantly to your needs, the Air Cell 3 in 1 jacket is the most flexible among Zero Tolerance® mid-layers and is versatile for everyday use, making it a garment you never want to leave at home. Stylish and super warm like a jacket, it instantly transforms into a short-sleeve piece with an additional insulating hood that can be attached or detached in any way you choose to wear it. The Air Cell 3 in 1 jacket is incredibly lightweight, comfortable to wear, and folds completely to take up minimal space in a backpack or bag, perfect for mobility and maintaining comfort when conditions may worsen at the start and end of the day or when seasons begin to change. Water-resistant, it also serves as an outer layer in all conditions except the most extreme.