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Mountain/Cold Weather Clothing System

The Mountain/Cold Weather Clothing System (MCWCS) is a Marine Corps specific cold weather layering system (CWLS), a replacement for the ECWCS.

Extreme Cold Weather Booties

The ECW booties, together with the ECW parka and trousers, are designed for bivouc, rest and sentry activities in mountain conditions.

Hardface Micro Fleece Cap

The hardface micro fleece cap is intended for wear by male and female military personnel of the USMC in mountainous and cold weather environments.It will provide improved wind resistance, durability and water repellency when worn in intermediate to cold weather environments.It will be part of the Mountain/Cold Weather Clothing System and will ultimately replace/phase out the current micro fleece caps.

Light Duty Flame Resistant Glove Insert

The light duty flame resistant glove insert is designed to be worn either alone or under a mitten or glove shell.

Happy Suit

The ECW parka and trouser overgarments and booties are designed for biouvac, rest and sentry activities in mountain conditions.The garments shall be lightweight and easily packed to a minimum volume to be carried among the variety of other mission essential gear.

Wind Pro Fleece Jacket

The windpro fleece jacket is intended for wear by male and female military personnel of the USMC in mountainous and cold weather environments.It will provide improved wind resistance, breathabilty and water repellency when worn in intermediate to cold weather environments.It will be part of the Mountain/Cold Weather Clothing System and will replace the current fleece jackets.

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.

Extreme Cold Weather Mitten System

The Marine Corps has developed an Extreme Cold Weather Mitten System including a Mitten Shell with Removable Liner and Light Duty Flame Resistant Glove Insert, which will provide improved environmental protection over USMC's previous mitt, the insulated trigger finger mitt.

Extreme Cold Weather Parka

The ECW parka, together with the ECW trousers and booties, is designed for bivouc, rest and sentry activities in mountain conditions.

Snow Camouflage Parka, Trousers and Pack Cover

The snow camouflage parka, trousers and pack cover are designed to be worn as over-garments when snow camouflage protection is required.

Lightweight Exposure Trousers

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

Extreme Cold Weather Loft Trousers

The ECW trousers, together with the ECW parka and booties, are designed for bivouc, rest and sentry activities in mountain conditions.

Flame Resistant Grid Fleece Underwear

The mid-weight FR grid fleece underwear is a flame resistant version of the polyester grid fleece underwear.It will provide improved moisture management, insulation and comfort when worn in intermediate to cold weather environments. In addition, it will provide Marines with FR protection when needed. The FR Grid Fleece can be worn as part of the Mountain Cold Weather Clothing System or Flame Resistant Organizational Gear (FROG).

Grid Fleece Underwear

The mid-weight grid fleece underwear is intended for wear by male and female military personnel of the USMC in mountainous and cold weather environments.It will provide improved moisture management, insulation and comfort when worn in intermediate to cold weather environments.It will be part of the Mountain/Cold Weather Clothing System and will replace the current polypropylene underwear set, and fleece pullover.

Flame Resistant Silkweight Underwear

The FR next-to-skin underwear is a flame resistant version of the polyester silkweight underwear.It will provide improved moisture management and comfort when worn in intermediate to cold weather environments. In addition, it will provide Marines with FR protection when needed. The FR Silkweight Underwear can be worn as part of the Mountain Cold Weather Clothing System or Flame Resistant Organizational Gear (FROG).

Silkweight Underwear

The new next-to-skin underwear is intended for wear by male and female military personnel of the USMC in mountainous and cold weather environments.It will provide improved moisture management and comfort when worn in intermediate to cold weather environments.It will be part of the Mountain/Cold Weather Clothing System and will also replace the current lightweight CW underwear set.

MIL-DTL-32620: UNDERSHIRT, FLAME RESISTANT, LIGHTWEIGHT, COLD WEATHER

Detail specification MIL-DTL-32620 covers a flame resistant (FR), lightweight, cold weather undershirt.

MIL-DTL-32621: DRAWERS, FLAME RESISTANT, LIGHTWEIGHT, COLD WEATHER

Detail specification MIL-DTL-32621 covers flame resistant, lightweight, cold weather drawers.

MIL-DTL-32624: DRAWERS, FLAME RESISTANT, MIDWEIGHT, COLD WEATHER

Detail spcification MIL-DTL-32624 covers flame resistant, mid-weight, cold weather drawers.

MIL-DTL-32625: PULLOVER SHIRT, FLAME RESISTANT, MIDWEIGHT, COLD WEATHER

Detail specification MIL-DTL-32625 covers a flame resistant, mid-weight, cold weather pullover shirt.

MC/PD 04-2011 SYSCOM: CAP, HARDFACE, MICROFLEECE

Purchase description MC/PD 04-2011 SYSCOM covers the requirements for the U.S. Marine Corps cold weather cap.

MC/PS 01-2015 SYSCOM: UNDERWEAR SET, UNDERSHIRT, FLAME RESISTANT LIGHTWEIGHT COLD WEATHER

Performance specification MC/PS 01-2015 SYSCOM prescribes the performance requirements and identifies verification procedures for the U.S. Marine Corps flame resistant lightweight cold weather underwear set undershirt.

MC/PS 02-2015 SYSCOM: UNDERWEAR SET, DRAWERS, FLAME RESISTANT LIGHTWEIGHT COLD WEATHER

Performance specification MC/PS 02-2015 SYSCOM prescribes the performance requirements and identifies verification procedures for the U.S. Marine Corps flame resistant lightweight cold weather underwear set drawers.

MC/PS 03-2015 SYSCOM: UNDERWEAR SET, PULLOVER SHIRT, FLAME RESISTANT MIDWEIGHT, COLD WEATHER

Performance specification MC/PS 03-2015 SYSCOM prescribes the performance requirements and identifies verification procedures for the US Marine Corps flame resistant midweight cold weather underwear set pullover shirt.

MC/PS 04-2015 SYSCOM: UNDERWEAR SET, DRAWERS, FLAME RESISTANT MIDWEIGHT, COLD WEATHER

Performance specification MC/PS 03-2015 SYSCOM prescribes the performance requirements and identifies verification procedures for the US Marine Corps flame resistant midweight cold weather underwear set drawers.

PERFORMANCE SPECIFICATION: GLOVE INSERT, LIGHT DUTY, FLAME RESISTANT, U.S. MARINE CORPS

This performance specification covers the requirements for the Marine Corps Light Duty Flame Resistant Glove Insert which can be worn under a glove or mitten.

PERFORMANCE SPECIFICATION: EXTREME COLD PARKA, TROUSER, AND BOOTIES; U.S. MARINE CORPS

This performance specificaiton covers the requirements for the Marine Corps snow extreme cold weather (ECW) parka and trouser overgarments and bootie for biouvac, rest and sentry activities in mountain conditions.

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

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

PERFORMANCE SPECIFICATION: MITTEN WITH INSULATED REMOVABLE LINER, EXTREME COLD WEATHER (ECW), U.S. MARINE CORPS

This performance specification covers the requirements for the Marine Corps Extreme Cold Weather Mitten System with Insulated Removable Liner.