This 2 piece zip together jacket can be worn 3 ways. Exterior is waterproof nylon. Interior is fleece. Wear together or each can be worn separately. 2 snap pockets on upper chest of outside. 2 zipper pockets outside (see photo). Hood is detachable - it zips off and the sleeves have Velcro adjustments. Inside jacket has pockets. Sleeves are 22" from pit to end. Shoulder to bottom measures 27". Machine wash & dry. Exterior jacket is 100% Nylon Fleece interior is 100% Polyester