The Air Compressor is Granite Gear's answer for the ultralight packer who wants to save weight by compressing gear and carrying a smaller pack. If you're familiar with our Rock Solid compression stuffsacks, you know we've been making the best packing systems since our beginning in 1986. If you think about it, these stuffsacks need to handle a lot of stress, and it's no easy feat to shave ounces, but that's exactly what we've done. 210 denier lid and arches are beefy where it's needed. See-thru Sil-Nylon fabric allows you to see what's inside. New Lineloc technology is 30% lighter than webbing compression systems New bloc shape makes them perfect for stacking in your pack Compress lofty items to a rock hard state without bulging 5x7.25x16 inches, 12x19x38cm // 475ci, 8L