The All-Purpose Lightweight Individual Carrying Equipment (also know as “ALICE Pack“), was first introduced by United States Army in 1974. The ALICE pack was intended as a replacement to the aging M-1956 Load-Carrying Equipment [LCE] and M-1967 Modernized Load-Carrying Equipment.
The ALICE pack has become popular with the players of airsoft and paintball. The popularity of the ALICE pack is due to the quality of the materials it is made out of, its easy to customize, and the packs area easy to find in most military surplus stores.
This video gives a description of the large and medium ALICE packs. After watching the video, be sure to visit the forum. More information can be found there on gear like the ALICE pack.