Clothing Layering System
Protective Combat Uniform PCU
The Beginning
2003
....
Petty Officer Second Class (SEAL) Michael A. Monsoor
poses for a photo while attending cold weather training
in Kodiak, Alaska in 2004.
....
History
Climate control Protective Combat Uniform covers ‘special’ field request
The Warrior ♦ May-June 2004
Calling from a bomb crater in Afghanistan in the winter of 2002, the Special Forces Soldier had a pointed request for the Special Operations Forces (SOF) Special Projects Team at the U.S. Army Soldier Systems Center in Natick, Mass.: Send warm clothing. About one year later, special operators working in frigid battle zones got what they wanted in the Protective Combat Uniform (PCU), an interchangeable 15-piece, seven-level ensemble that can be worn in layers appropriate for the mission. “He said ‘We’re cold. You gotta do something to help,’” said Richard Elder, an equipment specialist on the Special Projects Team and project officer for the PCU, recounting the conversation that started the process. “It’s exciting that in less than 12 months, the system was fielded into theater. That’s never been done before.” The PCU will replace the existing Lightweight Environmental Protection (LEP) developed under the Special Operations Forces Equipment Advanced Requirements (SPEAR), a program to produce modular equipment systems that focus on mission tailoring, enhanced survivability, and enhanced mobility while reducing weight, bulk and heat stress. The LEP consists of light and midweight underwear, medium stretch bib overalls, pile jacket and windresistant jacket along with the outer water-resistant shell of the Extended Cold Weather Clothing System parka and trousers. Special operators’ other option was to purchase commercial items on their own. The PCU takes cold-weather gear to the highest level.
“The goal is to give the special operators a system as good or better than anything commercially available and build a system that stays with the commercial market instead of falling behind so you’re not getting six-year-old technology,” Elder said. In place of gathering and assessing clothing sold in stores, the Special Projects Team started from scratch. The team consulted with extreme alpinists and outdoor apparel companies, and followed recommendations from a joint panel of special operators to introduce a product the Special Operations community would approve. “We wanted to make sure we didn’t overlook anything. As a system, we wanted it competed nationally,” Elder said. “This acquisition model has proven itself to be extremely efficient. To build something in real-time to meet users’ needs is how it should be done all the time.” Wearing the PCU is a matter of mixing and matching the gray garments according to the anticipated conditions and activities of the user. Comfort levels range from minus 50 to 45 degrees F, and although there are seven levels of protection, Elder said clothing in each level is not progressively added or removed the colder or warmer the environment. “We actually get more out of fewer pieces by training the SOF operator how to pack and because of the efficiency of the clothing itself,” he said. He said the key to staying warm is moisture management. The latest Polartec fabrics by Malden Mills insulate and wick moisture away from the skin, while outer garments made with silicone-encapsulated fibers by Nextec Applications, Inc. allow sweat to escape while being highly water and wind-resistant. The idea is to remove moisture faster than he can produce it. The product also breaks new ground for military protective clothing with anti-microbial fibers, a stretch shell, and a design that functions as a complete system through its seaming, grading and fabrics. Army Rangers, Marine Force Reconnaissance, Army Special Forces and Navy SEALs successfully evaluated the uniforms in Alaska in August 2002. By the time the uniform officially fields in 2006, the product will have been upgraded several times with another shell system and alternate vest as part of a catalog of components to further adjust to the specific mission. Until full fielding, those who need the uniforms are getting them and are involved in the evolution of the design with their comments from the battlefield. “They like it. They’re taking it as soon as they can get it,” Elder said. “It was exactly what they were looking for. They’re even wearing it outside of the profile it was designed for. It speaks well to the system that they’re even doing that.”
Seven levels of PCU
Level 1
Level 1
A durable, silkweight Polartec Power Dry fabric worn next to the skin wicks away moisture and dries fast. It consists of a crew neck Tshirt and boxer shorts, or is available in long-sleeve top with invisible zipper and pants, built for comfort and minimal weight.
Level 2
A long-sleeve shirt and pants made from Polartec Power Dry fabric are worn next to the skin for extra warmth in extreme conditions, but still wicks away moisture quickly from skin and dries fast. An inserted side panel of Polartec X-Static fabric enhances fit and flexibility. The top has a front 15-inch zip for extra venting and a soft lining around the collar. Comfort features include an articulated side seam on the pants to minimize chafe on the kneecap.
Level 3
An insulative mid-layer jacket made from Polartec Thermal Pro fabric is water-repellent yet breathable. It is worn as an outer jacket in mild temperatures or as a heavy insulative layer in extreme cold. Seamless shoulders minimize chafe, which are then lined for extra warmth and padding for heavy pack straps.
Level 4
The soft windshirt is made from an encapsulated microfiber that repels water but also breathes for a variety of conditions. It’s designed to pair with a next-to-skin layer for intense activity in cooler temperatures or with the Level 5 soft shell as a mid-layer. It stuffs into its own pocket for easy packing.
Level 5
The key to the entire system, this soft shell fabric jacket and pants are made with fibers encapsulated with silicone that are highly stretchable, windproof, water repellant and breathable. They are paired with Level 1 or 2 next-toskin layers, ready for any cold weather aerobic activity.
Level 6
A lightweight waterproof and coated nylon hard shell is slightly oversized to fit easily and quickly over gear. The jacket features water-resistant zippers and armpit zips for maximum ventilation, pocket openings to quickly access inside layers and a hood that incorporates a stiff brim. The pants borrow the same design from Level 5 but provide waterproof protection.
Level 7
For extreme conditions, this lightweight, loft-insulated level in a jacket, vest and pants has the feel of down but retains its warmth when wet. Silicone-encapsulated fabric sheds water and is paired with Primaloft insulation for maximum warmth while the liner pulls away moisture.
Evolution
The evolution of the PCU can been seen in two primary generations. The first, dubbed block 0 was issued beginning in 2003. Block 1 came along after improvements were mandated and began fielding in 2006 .
Block 0 / 2003
Block 1 / 2006
Block 0 / 2003
Block 1 / 2006
Other wanted Items
The clothing contains elements of the new Protective Combat Uniform (PCU), developed by the U.S. Army Soldier Systems Center with input from companies such as :
Patagonia, La Sportiva and Malden Mills.
Other companies that have in the past or currently manufacture the various levels of PCU include:
Blackhawk Industries, Insport, Patagonia, Propper, Ready One and Steps Inc.
The Protective Combat Uniform includes a compressible fleece jacket made of no-rip, velour-backed Polartech Thermal Pro four times as warm as cotton.
Softshell jackets and pants moderately water-resistant and stretchy, maximally breathable
Mystery Ranch Big Ds Special Blend a 7,400-cubic-inch backpack, carries plenty of gear.
Multi-Climate Protection System base layer traps heat and wicks moisture.
Patagonia Flash Pullover has lofted pillars for insulation
Arc'Teryx Alpha SV Jacket features XCR, the best form of Gore-Tex, but it's too noisy and not breathable enough for soldiers.
Marmot ATV Pants feature 3XDRY, a fast-drying, stretchable nylon.
Lowa Biomex Vertex uses a flexing plastic cuff to combine big-boot stability and sneaker comfort.
Outdoor Research's Modular Glove System is good for skiers and soldiers alike.
Patagonia R.5 Superfly Tights and Top base layer insulates as well as the soldier gear does.
Patagonia Houdini Jacket
The North Face Superhype Jacket
https://www.itstactical.com/gearcom/apparel/comprehensive-guide-protective-combat-uniform/
https://punisher.com.ua/en/pcu-block-2-ii.-novyy-kontsept-odezhdy-ussocom./
PCU Block 2 Preview
https://soldiersystems.net/2012/01/26/pcu-block-2-preview/
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