Blue Nylon shell with Scotchguard water protection NOTE Brown sleeping Bag sold separately - mounted on the frame for illustration only 15"W X 34"H X 5"D (empty thickness) / 8"D packed Better weight distribution than soft packs Better ventilation (pack is away from your back) Large padded waist belt with quick release 4 easy to access large side pockets 2 large separate compartments NO holes, tears, mold, smell, all zippers work