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.

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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.

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.

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