Merino Wool

We've updated our Men's Merino 250 Base Layers Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your game at a high level for longer. And Smartwool's warmest-weight wool fabric will help keep you warm and comfortable as you ski, run, and hike the day away.

Keep your ski boots, hiking boots, and running shoes free of bulk and friction with the Men's Classic Thermal Merino Base Layer 3/4 Bottom. 100% responsibly sourced Merino wool provides ultimate breathability and comfort, while a newly redesigned base layer pants fit helps reduce sag and excess fabric - perfect for your layering needs.

Warm is an understatement. The Men's Intraknit Thermal Max Merino Base Layer Bottom uses 100% ZQ-certified Merino wool to help keep you comfortable on every cold-weather outing. Insulating terry loops are seamlessly paired with mesh ventilation to balance warmth and breathability, while knit-in reflective elements enhance visibility in low-light conditions. These are the men's base layer pants that every wardobe needs.

Smartwool is printing a pattern on their Men's Merino 150 Print Boxer Briefs— bringing you the ultimate in Merino comfort with a fun, mountain-inspired design. The Core Spun technology beefs up garment durability without sacrificing next-to-skin comfort by wrapping high-quality, super-soft Merino around a nylon core for every thread in the150 fabric. The wide, Merino-lined elastic waistband and flatlock seam construction will help make these boxers your new favorite for any activity—from urban exploration to finding adventure on new trails.

Classic boxer briefs made with a stretchy slim fit and their corespun fabric, the Anatomica Boxers are supportive and comfortable for daily life and active pursuits.

Classic boxer briefs made with a stretchy slim fit and Icebreaker's corespun fabric, the Anatomica Boxers with Fly are supportive and comfortable for daily life and active pursuits.