Exterior: 600D polyester ripstop, waterproof protective layer, thermo-glued seamsLining: polyester-cotton (50% polyester, 50% cotton), 190T Nylon (chest and underside)Buckles: chrome-plated zinc - Water-resistant: 3000 mm, breathable: 3000 g/m² 24 hours and windproof- No back seam- Adjustable double breast closure with opening buckles rapide - Ease pleats- Adjustable cross straps- Elastic, adjustable and removable thigh straps- Round tail flap