Stay warm and comfortable in our selection of merino wool thermal long johns. Crafted from high-quality merino wool, these base layers provide exceptional warmth and moisture-wicking properties. Designed for ultimate comfort, these long johns offer a snug fit without restricting movement. Perfect for layering during cold weather activities, these thermal bottoms and tops are a must-have for outdoor enthusiasts. Elevate your winter wardrobe with these versatile and durable merino wool long johns that will keep you cozy in any chilly adventure.