I/O Merino Contact Boy Brief

Where to Buy

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Retailers' Descriptions

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.

- Backcountry.com