Polypropylene tops and bottoms. Explore Army-issued polypropylene thermals, long johns, base layers, and full-body union suits all made to military specs for cold-weather performance. From lightweight briefs to heavyweight tops and bottoms, our collection keeps you mission-ready no matter the temperature. Made from 100% polypropylene and designed to provide your body with thermal protection and comfort while giving you the flexibility to move around. TSLA Men's Thermal Underwear Set, Microfiber Soft Fleece Lined Long Johns, Winter Warm Base Layer Top & Bottom $ FREE delivery Tue, May 20 on $35 of items shipped by Amazon Or fastest delivery Tomorrow, May 16 Buy your army issue thermal tops, used in the LWCWUS cold weather clothing system. These are lightweight, and offer great protection against the elements. Among the multitude of benefits you’ll experience is a moisture-wicking cooling effect and lightweight, breathable protection from the elements. Stay warm when camping, hiking, or other outdoor activities during the winter months with the Polypropylene Shirt and Bottom Set. The 100% polypropylene material will wick the moisture away from the skin. Will keep you warm and toasty inside. The Polypro long underwear have a smooth outer cover with a fleeced inside for extra warmth. hqmw ujsjq vwyk hlls hmxrl asfl tywn zpdb rzhe facn