Base Layer Bottoms
REI Lightweight Base Layer Bottoms
REI Midweight Long Underwear Bottoms
REI Silk Bottoms
REI Silk Long Underwear Bottom
REI Midweight Base Layer Long Bottoms
REI Merino Midweight Bottom
$50 - $79
REI Heavyweight MTS Bottoms
In order to show you the most relevant gear, we have omitted some older, unreviewed products.
If you like, you can view the list with the older products included.