An exceptionally warm one-piece layer designed to wear under a dry suit or any time you need serious warmth without bulk.

The Men's Thick Skin Union Suit is the original warm one-piece layering system for the coldest conditions. This form-fitting base layer keeps you toasty without being restrictive. Zipper-less super-stretch neck neoprene entry eliminates buttons, zippers, and snaps to increase comfort and durability. 4-way stretch polyester fleece is extremely soft. Men’s Union Suits are equipped with a front fly. This quick-drying base layer keeps you warm even when wet. A perfect baselayer for a variety of outdoor pursuits including skiing, snowboarding, hunting, cold weather camping, ice fishing, snowmobiling, partying, paragliding, and more.