TM 10-8400-201-23
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IDENTIFICATION AND DESCRIPTION - Continued
Chemical Protective Underwear (CPU) (Figure 23-1) undershirt and drawers are issued separately, but are
intended to be worn together as a uniform. The CPU is composed of state-of-the-art materials which provide
chemical protection. The protective system worn under a standard duty uniform, is somewhat resistant to
water, petroleum, oils and lubricants (POL's). The undershirt and drawers are composed of a breathable
material which allows perspiration to escape. The undershirt is a hip-length design with a stand-up collar full
length sleeves, with adjustable hook and loop fastener tapes, and a full front closure with slide fastener. The
drawers are a basic long-john type design.
Figure 23-1 . Two Piece Chemical Protective Underwear (Undershirt and Drawers)
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