Microweight Men's Wool Briefs - Woolverino

WICKING MEN'S MERINO WOOL BRIEFS

Everyone has an underwear preference. Especially based on the activity you're doing. Sometimes you just don't need the extra fabric when you're on the move. Complete your collection with our Woolverino Brief for when you want to keep it simple. 

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.

MINIMALIST FIT AND FRICTION PROTECTION

Our men's wool briefs provide a streamlined alternative to traditional boxer cuts. The high-leg design frees up your thighs, eliminating the fabric bunching that usually occurs during deep squats or high-cadence cycling. We engineered this foundational piece to offer continuous cooling and support where your body generates the most heat, ensuring the secure fit you expect from premium performance wool clothing.

These responsive men's Merino wool briefs use targeted paneling to isolate the seams away from high-friction zones. The fabric moves effortlessly with you to prevent painful chafing during repetitive endurance movements. Purchase this essential piece of Minus33 gear today to secure dry comfort, or check out our full online catalog to find matching layers for your training setup.

Features

• Brief Style: Cut higher on the leg for extra range of motion
• Waistband: 1 1/4 inch woven sport elastic waistband helps keep everything in place
• Flat Lock Seams: Prevents Chafing
• Runs True to Size 
  
• Weight: Size Large = 2.4 oz. (68 grams)
• Style #: 1113

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

How does the waistband perform under a heavy pack belt?

The 1 1/4 inch woven sport elastic waistband sits entirely flat against your skin. This flat construction prevents the band from rolling down, twisting, or folding when compressed beneath heavy backpack hip straps or a climbing harness. It distributes pressure evenly across your hips to eliminate deep skin indentations and painful pressure sores during long wilderness treks.

Will the fabric stretch out and sag after a long workout?

No. While pure wool can stretch over time, this specialized fabric incorporates Spandex alongside a core-spun nylon filament. The leg openings and supportive pouch dynamically stretch with your body during explosive movements and immediately snap back to their original snug shape without bagging out or losing support.

Do these briefs protect against heat rash and friction?

Yes. The microweight jersey knit pulls liquid moisture away from your high-heat zones and spreads it thin across the fabric surface for rapid drying. Keeping the skin dry reduces the friction that causes inner-thigh chafing and heat rashes.

How durable is the thin fabric in high-friction zones?

Ultra-lightweight underwear is often prone to premature wearing in the gusset and crotch. We solved this structural vulnerability by spinning the soft 17.5-micron Merino fibers entirely around a durable nylon thread core.