Where to Buy
Help support this site by making your next gear purchase through one of the links above. Click a link, buy what you need, and the seller will contribute a portion of the purchase price to support Trailspace's independent gear reviews.
Here's what other sites are saying:
Our heavyweight MTS(R) underwear is an excellent first layer for mountaineering and other high-energy, cold-weather activities.
REI Heavyweight MTS Long-Sleeve Crew
REI Heavyweight Half-Zip Shirt
REI Heavyweight Polartec Power Dry Zip-T
REI Heavyweight Half-Zip Long Underwear Top
Smartwool Midweight Zip T
$70 - $100
Icebreaker Everyday Long Sleeve Crewe
$48 - $70
Smartwool NTS Mid 250 Hoody
Icebreaker 260 Midweight Tech Top