Extended Cold Weather Clothing System

Polyester Fiberpile Shirt and Bib Overall (a.k.a. Bear Suit)

The polyester fiberpile shirt serves as the primary insulating layer on the upper body. The bib overall is used as an additional layer for temperatures below -25°F (-32°C) and down to -60°F (-51°C).

Bear Suit
Bear Suit Detail

Materials Used

The shirt and the bib overall are made of a brown colored (brown 463), knitted, polyester fiberpile material conforming to class 4, MIL-C-43251.

Description of Item

The shirt is a long sleeve, front opening type garment with hook and pile cuff tabs, two chest cargo style pockets, two lower handwarmer pockets and a fold over collar that converts to a turtleneck when the front slide fastener is completely closed. A black elastic nylon drawcord with barrel lock is at the waist. The shoulders, underarms, sleeves, and pockets are reinforced with plain weave black polyester/cotton material

The overall has adjustable elastic suspenders with quick release buckles, and full length zippers at the side seams and a fly slide fastener enable two-way openings. The quick release buckles are worn in front.

Nomenclature

  • SHIRT, COLD WEATHER, POLYESTER FIBERPILE
  • SHIRT, COLD WEATHER, SYNTHETIC FIBER PILE
  • OVERALL, BIB, COLD WEATHER, FIBERPILE
  • OVERALLS, COLD WEATHER, SYNTHETIC FIBER PILE

Specifications

Shirt
MIL-S-44163
Bib Overall
MIL-O-44191

Improvement

National Stock Numbers

Shirt
X-Small8415-01-228-1353
Small8415-01-228-1354
Medium8415-01-228-1355
Large8415-01-228-1356
X-Large8415-01-228-1357
Bib Overall
Short/RegularLong
X-Small8415-01-228-13238415-01-228-1324
Small8415-01-228-13258415-01-228-1326
Medium8415-01-228-13278415-01-228-1328
Large8415-01-228-13298415-01-228-1330
X-Large8415-01-228-13318415-01-228-1332
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references
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