NRS Men's Expedition Weight Union Suit sport Gusseted inseam

Gusseted inseam

10% Aluminum

Auto-block release hole accepts small carabiners

they're quickly identifiable and rounded edges make for easy removal

galvanized steel cables

NRS Men's Expedition Weight Union Suit sport Gusseted inseamSince the first union suit was patented in 1868, the one piece thermal layer has been known for its warmth, comfort, and freedom of movement. While that part hasn't changed, improvements in design and materials, like the thick, plush fleece of our Expedition Weight Union Suit, provide a modern, high performance take on a classic. High stretch poly spandex fleece provides exceptional warmth and breathability. Designed to withstand many seasons of wear,