Hot Chillys La Montaña is our king of the mountain for warmth. The fabric of these men's thermal pants consists of brushed, micro-denier polyester fleece for lighter weight and greater strength and durability. A unique product for those demanding the warmest possible under layer for winter or mountain sports, these winter base layer pants are guaranteed to keep you toasty warm!
Fit Tip: La Montaña bottoms fit close to the body without spandex and have a front fly.
These men's long john pants feature: