Microweight Men's Wool Boxer Briefs - Woolverino

MEN'S MERINO WOOL BOXER BRIEFS

Soft on the outside, and tough as nails on the interior. It's no wonder we named our new line after the wolverine. With our new Micro Weight Woolverino fabric, your favorite boxers just got an upgrade. Improved fit, enhanced durability, and the same Merino Wool feel you've grown to love. The wolverine is out of the bag. Run for a pair while you can. 

For a 100% Merino option in a versatile all-season weight, compare these lightweight merino wool boxer briefs for hiking, biking, running, and everyday wear.

Fabric

• Fiber Content: 84% Merino Wool, 12% Nylon, 4% Spandex
• OEKO-TEX® STANDARD 100 Certified
• Woolmark® Certified
• Knit: 145 g/m² Micro Weight Jersey Knit
• Microns: 17.5 Micron Fibers
  
• UPF Rating: 20
• Total Easy Care: Machine Wash and Dry
• Responsible Materials: Wool is naturally PFAS-free. Our garments are made with no intentionally added PFAS.
• Wool Source: Australia
• Imported.

INSEAM STABILITY AND ERGONOMIC PANELING

Our men's wool boxer briefs deliver a secure fit that anchors directly against your upper thighs. We engineered this underwear with a standard performance inseam that provides total coverage down the leg without creating bulk under tight running shorts. The integrated diamond gusset panels reposition structural stitching completely away from the inner thighs, matching the high-performance design you expect from rugged wool clothes.

These resilient men's Merino wool boxer briefs rely on a vertical overlap fly that stays perfectly flat under a pack harness or trouser hardware. The lower leg bands use a responsive cross-knit tension to grip your muscles without pinching or rolling.

Purchase this dependable Minus33 baseline layer today to ensure your stride remains fluid, or check out our full online catalog to find matching layers for your training setup.

Features

• Boxer Brief Style: Close-fitting with leg coverage to prevent chafing
• Covered Waistband: Merino next to your skin
• Flat Lock Seams: Prevents Chafing
• Runs True to Size 
  
• Weight: Size Large = 0.2 lbs. (91 grams)
• Style #: 1311

Uses

• Ideal Seasons: Spring, Summer, Fall, Winter
• Activities: Everyday Wear, Hiking, Camping, Biking, Running, Fishing, Hunting, Snowsports
• Temperature Recommendations: 30°F and up while active, 60°F and up while inactive -  Learn more about Merino wool fabric weights

Care

Washing and Drying Instructions - Learn more about wool care

• Turn Inside Out
• Machine Wash Cold: Gentle cycle with like colors
• Detergent: Mild or wool-specific
• Tumble Dry: Low heat
• Storage: Place in an airtight container when not in use for long periods of time
• Do NOT Use: Fabric softener or bleach!

Product Story

Woolverino

Woolverino's Core Spun Technology brings you a merino garment that is durable, athletically fitted and high-performing. Warm when you need it. Cool when you don't. It's  Nylon inner core offers strength, elasticity, resiliency, and durability. Merino Wool outer sheath provides insulation, moisture-wicking, and UV protection.

FREQUENTLY ASKED QUESTIONS

What type of front fly configuration does this garment use?

These boxer briefs feature a classic vertical overlap fly designed to balance quick trail utility with a secure, flat profile. The structural paneling keeps the fly flat beneath your trouser button or pack straps, avoiding any bulk that could cause rubbing or pressure spots against your skin.

How do the leg openings resist riding up during intense movement?

The lower leg cuffs are woven with a multi-directional flatlock tension that anchors the fabric against your lower thigh. This specialized knit relies on the natural elasticity of our fabric blend to grip your leg smoothly as your muscles expand.

What are the benefits of the integrated crotch gusset?

Standard underwear features a centralized cross-seam directly in the crotch area, which can cause severe friction under a heavy load. We replaced this with a seamless diamond gusset panel that distributes material tension evenly across your seat.

Will the fabric stretch out or sag over a multi-day trip?

No. The core-spun textile structure reinforces the ultrafine Merino fibers with an internal nylon and elastane filament. This architectural center provides continuous shape memory that forces the underwear to retain its supportive, form-fitting profile over days of continuous backcountry wear.