Choosing the right layers for every condition is what we have been doing for many years. We have tried everything out there and what we put in this catagory is a collection of all the stuff we love. there are lots of companies who make technical layers for wicking, moisture managment and warmth. Some of it is better than others, we love what we sell. Choosing the right stuff is crucial to a successful trip, we can help. If you have any questions about any layerinf system give us a shout info@wildcatcreekoutfitters.com