Overview: SmartWool aims to make a difference in avery aspect from communities, to having a positive affect on change in the world. They make all of their products with compassion and when you buy a SmartWool product, you're not just getting a product; you're the last stop of a long supply chain that will feel good to be a part of. The SmartWool NTS Micro 150 Base Layer line combines the best of lifestyle clothing with the warmth and ruggedness you'd require from hiking or outdoor clothing. What Makes It Unique: The SmartWool NTS Micro 150 Base layer line is versatile in that it can be worn as a single layer in warmer conditions or makes a great base layer in cooler temps. The Micro 150 line is both functional and fashionable with mens and women's clothing meant for hitting the trails and heading to dinner. The Micro NTS 150 line has everything from underwear to hats and shirts. The form fitting, merino wool clothing is both breathable and warm to be worn in all types of outdoor conditions. Manufacturer: SmartWool Product Name: NTS Micro 150 Base Layer MSRP: Varies