Q36.5 Air Jacket - UnisexQ36. 5's Air Jacket is the Italian brands take on a classic road wind shell featherlight, pocket packable and completely windproof. The Air is made from a 15 denier x 38gr m^2 high density, coated, stretch woven fabric, a magic material that contributes to the jackets low weight of 90g (size medium) and small pack down form factor. Take it from us, it really is barely there, but when a fast descent beckons or the wind picks up on the flat, the Air