The Phenix Matrix III Salopette PZ mens ski pant is one of the most popular mens pants in the store. It is 20K waterproof, has a really comfortable adjustable waist and braces that can be removed. This is a really well cut good looking pant. The best thing about this pant is there is zipper adjustment on either side at the waist giving about 4 inches more room at waist if necessary. This pant is insulated with 40gsm of insulation and is partially seam sealed.