The Marker Men's Boulder Insulated Jacket is made out of 100% Polyester Oxford Stretch and has 20,000mm Breathability/ 15,000 MM waterproofness. It is insulated with Thinsulate 100GM body/ 80GM sleeve to keep you warm and comfortable. A center front draft flap and a one handed drawcord closure at bottom hem add to the Fully seam sealed wind proofing of this jacket. It has a zip off storm hood and a zip out water proof powder skirt cuff with custom snaps gripper elastic and taffeta panel giving you extra options to stay warm and keep the cold out. It also has underarm vents with YKK zippers and power mesh baking to shed excess heat. Raglan sleeves and Articulated elbows give you a free range of movement. - 11113-020