Western Mountaineering Flight Down Pant – Men’s

The Western Mountaineering Flight Down Pant for men is a warm, comfortable, and lightweight option. Despite not being the most durable, the combination of breathability and high-loft down makes for a decently ventilated and comfortable pant that provides impressive warmth. This down pant is expensive, but is worth the price if you frequently are outside during very cold temperatures.

Mountain Hardwear Ghost Whisperer Pant – Men’s

The Mountain Hardwear Ghost Whisperer Pant for men is a comfortable, warm, and versatile pants that is well-suited for those who want lightweight warmth. You can easily wear a base layer underneath for sub-freezing temperatures, or wear as a stand-alone pant in the moderate seasons. The bottom leg zippers allow for easy on/off while wearing boots. Despite the fabric not having any stretch, the gusseted interior lets you move around freely, making these pants great for hanging out in camp, wearing on the mountain, or for relaxing in your tent after a long day.

Arc’teryx Atom LT Insulated Pant – Men’s

The Arc’teryx Atom LT Insulated Pant for men is an easy-to-layer, durable, and versatile option for those who want a pant to wear under tougher layers for inclement weather, or wear as a stand-alone layer in less daunting climates. Despite not being as warm as some other insulating layers, the weight of this pant makes it easy to combine with other pants, and the fit allows you to wear them with ski boots, making the pant a versatile and functional item.

Patagonia Nano Puff Pant – Men’s

The Patagonia Nano Puff Pant for men is a very comfortable, versatile, warm, and functional pant that can be used for a variety of cold weather activities. The ability to wear these as a mid or outer layer allows for sedentary or active use, or even for wearing around the house. The adjustability, insulation, and mobility provided make this a great choice for outdoor adventurers or anyone who lives in a cold climate.

Mountain Hardwear Compressor Pant – Men’s

The Mountain Hardwear Compressor Pant for men is a relatively lightweight and warm synthetic pant. The reinforced knees and seat of the pants protect high use areas, although some users complain that the ankle cuffs could use similar reinforcements. Naturally, a pant like these is not easily packable, but the breathability, comfort, and durability make this a top choice.