The ultimate upgrade to your daily underwear drawer, the icebreaker Merino Men’s Merino 150 Anatomica Boxers redefine what premium next-to-skin comfort feels like. Tailored with a stretchy, supportive slim fit, these performance boxer briefs are built for both the demands of active trail pursuits and the movements of everyday life. Leveraging Icebreaker’s specialized ultralight core-spun fabric, they provide an incredibly soft touch against the skin while providing the unmatched temperature-regulating power of natural merino wool.

Specifications

• Item Number: #103029

• Material Composition: 83% Merino Wool, 12% Nylon (Polyamide), 5% Elastane (LYCRA®)

• Fabric Weight: 150 g/m² Ultralight

• Inseam Length: 11.3 cm (Based on size L)

• Fit Profile: Slim / Snug close-to-body profile

• Features: Corespun architecture, contoured flyless pouch, flatlock stitching.

Key Technical Features

• Merino Corespun Fabric: Built by wrapping natural merino fibers around a high-strength nylon core. This advanced design retains all the next-to-skin thermal benefits of pure wool while drastically increasing the fabric's long-term durability and structural resilience.

• Contoured Pouch Support: Features an anatomically sculpted front pouch that provides secure support and a natural, comfortable male fit without restricting movement.

• Anti-Friction Flatlock Seams: Assembled with flatlock stitching across high-wear zones to minimize fabric bulk, completely eliminating painful chafing or rubbing during continuous movement.

• No-Roll Elastic Waistband: Equipped with a wide, plush elastic waistband that anchors comfortably against your hips without digging in, rolling over, or slipping down.

• Four-Way Lycra® Stretch: Infused with a touch of elastane (Lycra®) to ensure maximum elastic memory retention, preventing the boxers from stretching out, bagging, or losing their shape over a long day.

Care Instructions

• Washing: Machine wash cold on a gentle or delicate cycle with similar colors. Turn inside out prior to washing to protect the fine wool face.

• Detergent: Use standard mild liquid soap. Never use fabric softeners or bleach; these chemicals coat or break down the natural fibers, stripping away the wool's breathability and odor resistance.

• Drying: Line dry in the shade. Do not tumble dry, as high mechanical heat will warp the elastic properties and shrink the merino content.

• Do Not Dry Clean: This garment is strictly designed for regular water cycles and should not be subjected to chemical dry cleaning solvents.

Professional Tips from X-Boundaries

1. The Ultimate Chafing Shield: Chafing is the number one enemy of long-distance hikers. The boxer-style silhouette extends partway down the thighs, acting as a soft, friction-reducing fabric barrier that protects your inner thighs from painful rubbing when navigating humid tropical trails or steep mountain climbs.

2. Backcountry Multi-Day Legend: Because premium merino wool is naturally antimicrobial, it physically suppresses the growth of odor-causing bacteria. These boxers can be worn on multi-day backcountry treks completely odor-free, meaning you only need to pack a couple of pairs for a week-long journey.

3. Rapid Moisture Evaporation: The blend of natural wool and quick-drying synthetic fibers moves sweat away from your skin instantly. If you get caught in a sudden downpour or break a serious sweat, the fabric dries exceptionally fast to keep you feeling fresh.

4. Sizing Intelligence: The stretch factor on the Anatomica weave is quite forgiving. If you fall right on the border between two sizes, we recommend selecting the smaller size for a more supportive, low-bulk athletic fit under technical hiking pants.