Discover the ultimate in cozy comfort with our two-layer engineering union suit, designed to keep you warm and comfortable all day long. Its innovative construction traps air between layers, creating a natural barrier against the cold—perfect for chilly mornings, outdoor adventures, or just lounging at home.
Crafted with care, the inside layer is made of 100% combed ring spun cotton for softness against your skin, while the outer layer blends 65% combed ring spun cotton, 25% merino wool, and 10% nylon for durability and warmth. At a fabric weight of 6.6 oz., this suit offers just the right balance of insulation without bulk.
Enjoy a smooth fit thanks to tagless design and flat seams that minimize irritation. The full button front and single button rear flap add convenience and classic style. Whether you’re looking for thermal underwear for cold weather or a reliable base layer for winter activities, this union suit delivers exceptional comfort and functionality.
Stay snug and stylish with this versatile piece that’s ideal for everyday wear or layering under your favorite outfits.
