Regular fit is just right: Not too tight or too baggy Polyester grid fleece fabric construction for warmth; Stretch fabrication TACTEL nylon patch-on pocket is ultra-strong and durable; Ribbed waistband with elastic and bungee cinch for a custom fit Crotch gusset for mobility; Snap-closure hand-warmer pocket for warmth and storage bluesign approved for a reduced impact on both people and the environment