Stainless Hard Cylinder Type E 201 to 250 mm Barrel G&G out of stock collar and shoulder area: 65% Kleur:Everglade collar and shoulder area: 65% cotton 35% polyesterTorso: 80% cotton 20% polyesterYKK zip Weight: 410 g Shipping weight: 450 g it can be locked out using a standard zip tie which blocks the adjustment screw Prometheus Best known for their superb inner barrels