The Womens Smartwool Midweight Bottoms are perfect for forays into alpine environments where temperatures and schedules fluctuate. Comfortable next to the skin, and offering the world's most efficient moisture-management system, the soft fibers of these SmartWool Bottoms keep you cool or warm, depending on whether you're at the crux of a climb or belaying from the bottom. The Womens SmartWool Midweight Bottoms also make a great secondary layer for when temperatures, and hopefully not your climbing partner, make an unexpected drop.