Women's Merino Wool Boxer Briefs - Microweight

WOMEN'S MERINO WOOL BOXER BRIEFS

Looking for a little more leg coverage? Our Women's Micro Boxer Briefs have the same fit as the Boyshorts, with a longer inseam. With the same moisture-wicking power you know and love from our Woolverino collection, plus the added length to prevent chafing, your next adventure will be your most comfortable.

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 & Dry
• Responsible Materials: Wool is naturally PFAS-free. Our garments are made with no intentionally added PFAS.
• Wool Source: Australia
• Imported.

LOWER SILHOUETTE STABILITY AND MULTI-DIRECTIONAL RECOVERY

Our women's Merino wool boxer briefs introduce a dedicated structural solution for athletes tired of shifting base layers. We engineered this high-coverage wool clothing to sit flush against your hips, creating a flat foundation that stays completely anchored when layered under heavy canvas utility trousers or technical alpine shells. The thin, fluid jersey construction adapts dynamically to your lower body geometry, eliminating the bulk and fabric distortion that typically disrupts your form during deep lunges or steep climbs.

We optimized these responsive women's Merino wool boxer briefs with an emphasis on shape memory, ensuring the leg cuffs retain their protective position without bagging out after miles of continuous trail use. Secure this foundational Minus33 asset to stabilize your next backcountry excursion, or browse our online stock to complete your baseline wardrobe.

Features

• Boxer Brief Style: Approx. 5-inch inseam of leg coverage
• Waistband: 1-inch woven sport elastic waistband helps keep everything in place
• Flat Lock Seams: Prevents Chafing
• Runs True to Size
  
• Weight: Size Medium = 0.1 lbs. (45 grams)
• Style #: 2346

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

Do the longer legs roll up or bunch into your groin?

The 5-inch lower leg bands feature an advanced cross-directional knit engineered to anchor flat against your mid-thigh. As your leg muscles expand and flex during a wide-stride hike, the fabric shifts dynamically with your skin instead of sliding upward.

How does the crotch paneling prevent chafing during cycling?

Standard underwear relies on an integrated central cross-seam that meets directly at the crotch, which routinely causes painful pressure sores on a bike saddle. We completely replaced this design with a flat diamond gusset that shifts all stitching outward.

Are these boxer briefs easy to wash and dry on long backpacking trips?

Yes. The ultra-lightweight 145 GSM fabric makes this underwear an excellent choice for minimalists looking to reduce pack weight. You can easily hand-wash these briefs in a backcountry camp sink using mild soap, squeeze out the excess water, and hang them to line-dry.

Will the fabric become see-through when stretched tight?

The specialized jersey knit pattern packs the yarn dense enough to maintain complete opacity across your high-stretch areas. Wrapping the delicate Merino strands around a strong nylon core center allows the fabric to stretch widely to accommodate your movements while retaining its tight structure.