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All Purpose Environmental Clothing System

The All Purpose Environmental Clothing System (APECS) parka and trousers were developed to provide Marines with an all-purpose/all-season set of outershell garments that are lighter in weight, lower in bulk, have lower noise generation, are moisture vapor permeable and have an improved water repellency over the 2nd Generation ECWCS parka and trousers. The APECS also incorporates the Marine Pattern.

APECS Parka

The All Purpose Environmental Clothing System (APECS) parka, together with APECS trousers, was developed to provide Marines with an all-purpose/all-season set of outershell garments that are lighter in weight, lower in bulk, have lower noise generation, are moisture vapor permeable and have an improved water repellency over the 2nd Generation ECWCS parka and trousers. The APECS also incorporates the Marine Pattern.

APECS Trousers

The All Purpose Environmental Clothing System (APECS) trousers, together with APECS parka, were developed to provide Marines with an all-purpose/all-season set of outershell garments that are lighter in weight, lower in bulk, have lower noise generation, are moisture vapor permeable and have an improved water repellency over the 2nd Generation ECWCS parka and trousers. The APECS also incorporates the Marine Pattern.

Extended Cold Weather Parka and Trousers

The extended cold weather parka and trousers are new ECWCS development items.The parka and trousers serve as the windproof, waterproof layer in the system.

Extended Cold Weather Parka

The extended cold weather parka is a new ECWCS development item.The parka serves as part of the windproof, waterproof layer in the system.

Extended Cold Weather Trousers

The extended cold weather trousers are a new ECWCS development item.The trousers serve as part of the windproof, waterproof layer in the system.

Parka and Trousers (Marine Corps)

The 2nd generation parka and trousers incorporates features requested by Marines. Improvements over the original parka and trousers include a two-way entry pocket design, water channels to protect critical area from potential leakage, removal of the taffeta nylon lining to reduce cost, improved breathability, a roll and stow hood, and a Cordura nylon reinforcement of the elbow and knee areas to improve durability.

Parka and Trousers (Army)

The parka and trousers replace the original parka and trousers in the Army.

Level VI: Extreme Cold/Wet Weather Jacket and Trousers

The jacket and trousers are designed for use in cold, wet conditions alternating between freezing and thawing as a hard shell layer combined with other base and insulative layers.The jacket and trousers provide a lightweight, completely waterproof, windproof and breathable level of protection against the elements.

Lightweight Exposure Jacket

The lightweight exposure jacket, together with the lightweight exposure trousers, is designed for wind and rain protection in mountain conditions.

Lightweight Exposure Suit

The lightweight exposure jacket and trousers are designed for wind and rain protection in mountain conditions.

Lightweight Exposure Trousers

The lightweight exposure trousers, together with the lightweight exposure jacket, are designed for wind and rain protection in mountain conditions.

Extreme Weather Outer Layer

The FREE system extreme weather outer layer (EWOL) parka, fleece liner, and trousers are constructed with a lightweight, windproof, waterproof, and breathable Gore-tex fabric that combines the DuPont Nomex fiber outer material and the Gore-tex membrane. The EWOL jacket features a removable roll-and-stow hood and zip-in liner constructed from Polartec thermal FR fleece. The EWOL serves as the most external layer in the clothing system and is available in OCP or UCP.

Improved Rain Suit

The Improved Rain Suit (IRS) forms a waterproof outer shell worn over other clothing and gear. It is lightweight; however, IRS functions strictly as a rain barrier, offering little protection from the cold.

MIL-DTL-32157: PARKA, ALL-PURPOSE ENVIRONMENTAL, CAMOUFLAGE

Detail specification MIL-DTL-32157 covers the requirement for APECS parka and a detachable (optional) hood.

MIL-DTL-32158: TROUSERS, ALL-PURPOSE ENVIRONMENTAL, CAMOUFLAGE

Detail specification MIL-DTL-32158 covers the requirement for APECS trousers.

MIL-DTL-32184: PARKA, COLD WEATHER, UNIVERSAL CAMOUFLAGE

Detail specification MIL-DTL-32184 covers the requirement for the Army 2nd Generaton ECWCS parka and the detachable (optional) hood.

MIL-DTL-32185: TROUSERS, COLD WEATHER, UNIVERSAL CAMOUFLAGE

Detail specification MIL-DTL-32185 covers the requirement for the Army 2nd Generation ECWCS trousers.

MIL-P-44188: PARKA, EXTENDED COLD WEATHER, CAMOUFLAGE

Military specification MIL-P-44188 covers a nylon, three-layer laminated, waterproof, and moisture-vapor-permeable parka, a component of ECWCS.

MIL-T-44189: TROUSERS, EXTENDED COLD WEATHER, CAMOUFLAGE

Military specification MIL-T-44189 covers nylon, three layer laminated waterproof and moisture vapor permeable trousers used as a component of the ECWCS.

GL/PD 06-06: JACKET, EXTREME COLD/WET WEATHER (GEN III)

Purchase description GL/PD-06-06 covers the requirements for a waterproof, extreme cold/wet weather jacket, which serves as a layer of the GEN III ECWCS.

GL/PD 06-17: TROUSERS, EXTREME COLD/WET WEATHER (GEN III)

Purchase description GL/PD-06-17 covers the requirements for waterproof, extreme cold/wet weather trousers, which serve as a layer of the GEN III ECWCS.

PERFORMANCE SPECIFICATION: LIGHTWEIGHT EXPOSURE SUIT, U.S. MARINE CORPS

This performance specification covers the requirements for the Marine Corps lightweight exposure jacket and trousers.