Outdoor Research Men's Alpine Onset Merino Wool 150 Bottoms | Breathable, Moisture Wicking, Quick Drying, UPF 30+

Discover optimal outdoor protection and performance with sportswear from Outdoor Research. Our founder, Ron Gregg, who was a nuclear physicist by trade, transformed his love for exploring mountains, rivers, and oceans into groundbreaking gear. His legacy lives on in our functional and versatile sportswear. From Gregg's pioneering X-Gaiter to our latest advancements, our gear is rooted in a tradition of excellence to offer exceptional quality, durability, and comfort in the harshest conditions. This function-forward approach has earned significant praise for our technical innovation and long-term reliability. Choosing Outdoor Research means embracing your next adventure with confidence, knowing you're fully equipped with sustainable gear that stands the test of time and cares for the planet.

• GEAR YOU CAN TRUST: The Men's Alpine Onset Merino 150 Bottoms feature soft merino wool blended with polyester for added durability and moisture management.
• MERINO COMFORT: Thinner and softer than regular wool, Merino is easy to wear next to skin; this quick-drying, non-Mulesed wool wicks away moisture, cancels out smells, and has an Ultraviolet Protection Factor (UPF) 30+.
• THRIVE OUTSIDE: Advance confidently in bottoms designed to help you on cold adventures; an elastic waistband fits your body, while a fully functional fly gives easy access in a hurry; a gusseted crotch enables a greater range of motion.
• NEXT-TO-SKIN FIT, INCLUSIVE SIZING: Offering a form-fitting base layer designed to be worn under other garments, these bottoms shape effortlessly along the body. Our versatile sizing includes options for all Male body types, ranging from S–XXXL.
• OUTDOOR RESEARCH: OR is more than just a logo — it's a commitment to excellence through technical innovation and long-term reliability. When you choose OR gear, you're choosing top-quality equipment that works with you to achieve your dreams.