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
I/O Merino Contact 1 Tight
I/O Merino Contact 2 3/4 Tight
I/O Merino Contact 2 Tight
Patagonia R1 Pants
$99 - $119
Patagonia Merino Air Bottoms
Ibex Woolies 2 Bottom
Helly Hansen Fly Pant
$18 - $40
Patagonia Capilene 3 Midweight Bottoms
$38 - $59