The Terrene 80-100 from Demoman International LTD premium mid-weight backpack can hold up to 88 pounds (40 kg). This "Sonic Air Mesh" backpack has a unique back support system and is size-adjustable during wear. The pack is built especially to support optimal weight distribution. The quick-open system allows quick access to the main and bottom pack areas durign wear. This highly versatile pack is used by and supports the unique needs of the special operations forces of the Isreal Defense Forces. Features include: 2 main compartments, one with front panel access; 1 front pocket with weather-proof zip and multi-function loops; Modular build; Sturdy stitching and clips for heavy items; Material absorbs IR light for a low infrared profile; 2 expandable side pockets; Weather-proof zipped pocket in lid with internal zip compartments; Ajustable lid attachment cord; Under-lid mesh pocket; Extendible flap with top compression strap; Mesh wand pockets; Side compression straps; Internal compression straps; Hydration system compatible; Double base with detachable rain cover; 2 ice axe straps; Elastic pole holder; Flex chest strap with emergency whistle; YKK-brand zippers; and is available in black, olive green, dessert camo and forest camo.