10.8-ounce 100% rugged cotton canvas - Lining: 100% nylon taffeta - Insulation: Thermolite 100 gsm 100% polyester fill - Original fit - Rugged cotton canvas - Insulated to the top of the front and back panels - Signature shank strap closure - Knee overlay with drain holes - Side closure with shank buttons - Side zipper leg opening - Tool pocket at chest - Signature back pocket design with quadruple stitch - Signature hammer loop - Tool pocket below hammer loop at right side