Helikon ECWCS Jacket Generation II Olive 100% Nylon To fit chest (recommended): S 33"-37", M 37"-41", L 41"-45", XL 45"-49", XXL 49"-53" We recommend purchasing a size down from your normal size to ensure that you get a good fitted look Waterproof: 10 000mm. Breathable: 5000g/m/24h. Windproof. Material: 100% Nylon, PTFE Laminate 8 pockets. Concealed cobra hood. YKK zip with double storm flap. Chin guard. Bottom drawstring Ventilated sleeves. Hook-and-loop cuffs. Taped seams. Chest epaulet. Snow skirt with drawstring at waist