Used USGI Large ALICE Pack with Frame mens The "Ladder" Torso Shoulder Strap shorts The "Ladder" Torso Shoulder Strap System allows you to modify the height of the shoulder straps on the pack to assist relieve back pressure and making this bag comfortable even when used for long periods of time breathable GORE TEX lining and a combination upper of 1000 Denier nylon and full grain leather The US Military ALICE pack was developed in the mid sixties to lessen the weight soldiers had to manage while increasing comfort and mobility The US Military used ALICE packs as their main deployment pack until 2001 when the modern MOLLE system replaced it as the main deployment pack of the U