Current L.L.Bean nylon jacket, lightweight and breathable design. It's relatively thick and has excellent heat retention. It also repels water to some extent, so I think it's also waterproof. It has pockets in various places. There are also vents under both armpits. - Brand: L.L.Bean - Size: M REG Front Length 64cm, Back Length 69cm, Body Width 59cm, Sleeve Length 55cm - Material: Shell 100% Nylon, Upper Body Lining 100% Nylon Mesh, Underarm 100% Polyester Mesh - Color: Blue Thank you for viewing.