Where to Buy

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Retailers' Descriptions

Here's what other sites are saying:

The I/O Bio Merino Men's Contact Loose Tight is your go--to merino wool baselayer. Whether you're using it under the most technical Gore-Tex bibs or the rattiest old pair of construction jeans, this baselayer will regulate moisture and temperature like a champ. And it will never stink as bad as polyester.

- Backcountry.com refers to the men's version

For HUN freeriders that demanded a looser fitting tight, the I/O Bio Merino Men's Contact 1 Loose Tight are "not so-long undies" in a functional and downright dude-envy package! There's no fly, so you won't have to baby-sit yourself when hanging in your skivvies.

- Altrec Outdoors refers to the men's version