The Smarty Fave snow pants from 686 utilizes the the 3-in-1 system that gives you warmth, waterproofing and comfort. With the world-renowned SMARTY technology, the detachable lining system provides you with comfortable micro fleece lounge pants, extra insulation when the chill descends or a nice shell to just keep you protected against the ice. This established collection has a outer shell of durable 100% polyester, zippered pockets to keep your valuables safe and a slim fit to keep you warm. With fully taped seams and incredible 15Kmm waterproofing and 10K gm breathability, you are sure to stay dry and happy for any adventure.