Brand/Subject: U.S. military sleeping shirt by Mt. Rogers CSB. Style: Mens long-sleeve 1/4 zip mock neck thermal sleeping shirt/base layer in olive green. Size on tag: Medium. Material: 100% polyester; heat retentive and moisture resistant per tag. Tag details: NSN 8415-00-890-2101; contract SPM1C1-13-D-N008. Features: High stand collar with quarter zip front, long sleeves with ribbed cuffs, smooth exterior with soft interior, straight hem, designed as a cold-weather sleeping shirt or insulating base layer.
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