Smartwool Active Boxer Brief 2-Pack – Men's size-10 Revised foam compound offers improved

Revised foam compound offers improved durability and a snappier

HydroLok zipper delivers a 100% leakproof seal — toss it in the truck bed or kayak hatch without worrying about a puddle

The Fair Isle pattern is a classic for a reason — clean

Heatseeker Eco insulation traps warm air and blocks cold without adding unnecessary bulk

Cord management system

Smartwool Active Boxer Brief 2-Pack – Men's size-10 Revised foam compound offers improvedFor runners, hikers, and active guys who wear the same base layer from trail to travel, the Active Boxer Brief 2 Pack is our pick for daily performance underwear. Merino wool blend fabric regulates temperature and fights odor naturally, while flatlock seams eliminate the chafing that synthetic underwear causes on long days out. Merino wool blend wicks moisture and resists odor without chemical treatments stays fresh through back to back days of hard