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Here's what other sites are saying:
Not underwear and not outerwear, I/O Biocompatibles Contact 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
The ultimate long underwear base layer for all your outdoor needs. I/O Bio's Merino Contact Tights regulate the temperature beneath the finest tech wear... or the rattiest old pair of construction jeans.Merino wool can absorb up to 30% of its weight without feeling wet or loosing it's insulative properties.Wool is a renewable and naturally anti-microbial, anti-bacterial material that will not hold odor.The super-fine fiber size makes a soft, stretchy, resilient fabric that is itch-free!Merino wool is a resilient fabric that is UV and burn-resistant, giving you durable apparel that will last for years.Technical advances allow merino to be washed and tumble dried like any other fabric.If you haven't tried Merino wool, you should. It'll make you a believer.
- NRS refers to the men's version
With its vapor-transferring close fit, the Merino wool I/O Bio Men's Contact 1 Tight ensures dry, comfortable days whether you're charging the steep and deeps of winter, or biking in Moab slick rock in spring. As an excellent next-to-skin layer, this super fine, never itchy, and body-odor resisting tight hugs you comfortably, while I/O's merino wool regulates temperature unlike any other textile, I/O also uses P-9 woola vertically integrated supply chain that ensures quality performance and equality in the marketplace.
- Altrec Outlet refers to the men's version
If your current pair of baselayer bottoms feels like a burlap potato sack, lasso a pair of I/O Bio Merino Contact Tights and experience the difference that microfiber merino wool can make. Even those with sensitive skin will enjoy the smooth, non-irritating interior along with the superior warmth, odor-resistance, and breathability of wool.
- Backcountry.com refers to the men's version