Joint Service Lightweight Integrated Suit Technology (JSLIST), also known as Advanced Chemical Protective Garment (ACPG) by the U.S. Navy, is a suit used by the U.S. Military for protection against CBRN hazards. It is part of the MOPP ensemble. The JSLIST is made to be worn over the Battle Dress Uniform. The suit consists of lightweight chemical and biological protective clothing consisting of a two piece suit, overboots, gloves, and respiratory equipment. The suit is air permeable to allow breathing to help with the user's comfort and reduce heat stress. The JSLIST has a 120-day service life when removed from packaging, can be worn for 45 consecutive days in an uncontaminated environment, and can be cleaned up to 6 times.
