To fit chest (advised): S 35"-38", M 38"-40", L 40"-42", XL 42"-45", XXL 45"-48".Helikon Jackal soft shell jacket provides insulation, protection against wind and moisture, and retains a high level of breathability at the same time thanks to the Shark Skin - a 2-layer, elastic material. On the outside the jacket is coated with Teflon DuPont which protects against dirt and water, while from the inside it is lined with superfine fleece and mesh. Moreover it is equipped with innovative Quick Side Access (QSA) system. The Quick Side Access is a unique system that guarantees quick and comfortable access to all waist-mounted tactical accessories. Due to the ergonomic solutions applied in QSA system, the user can reach for a gun, paralyzer or any other accessory in one smooth motion, which greatly increases the reaction time in hostile situations. In addition, Quick Side Access (QSA), thanks to its civil appearances and adequate placement, is perfectly suited to actions performed in urban surroundings.