Where to Buy
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Here's what other sites are saying:
The I/O Bio Merino Boy Brief is a low-rise cut. The most overlooked piece of the layering puzzle and arguably the most important. Keep your derriere comfy, covered and dry. I/O Bio Merino s silky handle caresses the most sensitive skin. CLOSEOUT FABRIC: ENIGMA, 96% natural merino wool,4% elastane (4-way stretch!)WEIGHT: 160g/m2, Lightweight, next-to-skin.
- Second Ascent
Wool underwear' No, we're not kidding. The I/O Bio Women's Contact 1 Boy Brief's silky-smooth Enigma knit caresses your nether-regions with never-itchy, naturally anti-odor, and super-soft merino wool. A touch of elastane ensures that it doesn't sag or bag, and the wide elastic waistband stays put without digging. Out on the trail, skiing the steeps, or every day, these boy-cut undies offer killer comfort.
ExOfficio Give-N-Go Lacy Bikini
$15 - $16
Ibex Balance Briefs
ExOfficio Give-N-Go Lacy Full Cut Brief
$15 - $16
Ibex Balance Boy Short
ExOfficio Give-N-Go Bikini Brief
$10 - $25
Ibex Axiom Thong
Smartwool PhD Seamless Bikini
$22 - $32
Patagonia Active Briefs
$12 - $24