Where to Buy

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Retailers' Descriptions

Here's what other sites are saying:

The I/O Bio 3/4 Contact Tight eliminates uncomfortable bunching in boots or wetshoes. So cozy and comfortable, you'll wear them around camp or the cabin at night. (Smack talk skills sold separately.)The 3/4 length cut eliminates wet, bunched cuffs whether you're wearing wetshoes or hiking, skiing, snowboard or other boots.Natural, renewable, fine-thread Merino wool is soft, itch-free, warm, quick-drying and does not absorb odors.Merino wool can absorb up to 30% of its weight in water without feeling wet or loosing its insulative properties.UV and burn-resistant for long-term durability.Can be washed and tumble dried for convenient cleaning.If you haven't tried Merino wool, you should. It'll make you a believer.

- NRS refers to the men's version

Not underwear and not outerwear, I/O Biocompatibles Contact Three-Quarter Tights are innerwear created to be Always On - just like you. Designed for outdoor guides, freeriders, mixed martial artists, climbers, or anyone who lives their life out of bounds, this extremely technical wool is an itch-free baselayer you'll quickly become addicted to.

- Mountain Gear refers to the men's version

Versatile and ultra comfortable, the I/O Bio Merino Men's Contact 1 3/4 Tight will get you from first chair to last call and beyond. These long underwear base layer bottoms won't bunch inside your boots or under your shell while the natural anti-microbial, moisture wicking properties of wool will keep you dry and fresh from the mountain to apres ski. Durable and lightweight, nothing compares to the I/O Bio Merino Contact 1 3/4 Tights for men.

- Altrec Outlet refers to the men's version

I/O MerinoAAAs Contact AA 3/4 Length merino wool bottoms offer lightweight insulation from the cold and all of the comfort merino wool, but without competing for space in your already crowded ski, snowboard, mountaineering, and or combat boots. That way, your shins can stay looking their shiny best all year long. And if youAAAre one of the billions of people worldwide whose clothes smell bad when you sweat, merino wool wonAAAt retain any of your stank molecules.

- Backcountry.com refers to the men's version