Smartwool Men's Everyday Merino Print Boxer Brief

Next-to-Skin Climate Control for Multi-Day Backcountry Missions

When you are logging back-to-back fastpacking days on the rugged, moss-slick coastal singletrack of the Maritimes, your base layer choice dictates your entire comfort level. Traditional cotton or basic synthetic underwear traps moisture, leading to heavy friction and painful inner-thigh chafing. The Smartwool Men’s Everyday Merino Print Boxer Brief handles next-to-skin climate control effortlessly, blending technical backcountry performance with smooth, day-to-day comfort.

The core of this high-performance underwear is an ultra-breathable blend of ZQ-certified Merino wool and TENCEL™ Lyocell fibers. This hybrid weave pulls double duty: it rapidly wicks sweat away from your skin during intense, humid trail ascents while utilizing the natural anti-odour properties of Merino to keep you fresh on multi-day travel loops. The addition of TENCEL™ introduces a silky, cool-to-the-touch feel that dries out incredibly fast, completely preventing that cold, clammy sensation during exposed ridge-line gusts.

Engineered with a slim, body-following fit, these boxers layer perfectly under active running shorts or heavy fastpacking shells without shifting or bunching. Flatlock seam construction eliminates high-friction stitch points where it matters most, keeping your stride completely chafe-free. A structured, contoured front pouch provides comfortable, non-restrictive support that stays firmly in place, while the plush, wide elastic waistband hugs your hips securely without binding or slipping down over long hours on the move.

Premium Active Comfort Features

• Merino-TENCEL™ Performance Blend: Combines natural temperature regulation with silky, rapid quick-dry cooling action for all-season climate control.
• Anti-Chafing Flatlock Seams: Low-profile, flat-stitched panels eliminate inner-thigh friction and prevent skin irritation during high-movement trail efforts.
• Supportive Contoured Pouch: Ergonomically shaped front pocket offers a secure, shift-free hold that stays perfectly in place on technical climbs.
• Wide Elastic Waistband: Soft-touch, plush elastic band hugs the hips comfortably without digging in, binding, or rolling down under pack straps.
• Low-Bulk Printed Finish: Fun, outdoor-centric designs provide a clean finish that avoids adding stiffness, weight, or bulk to your layering system.