AIRHEAD MONTANA Kayak, 1 person 9-foot, 1-man inflatable kayak; designed for lakes and moderate white water All 3 air chambers are completely enclosed by rugged 840-denier nylon with Lightweight, compact, and portable UV and water-resistant coatings. Low drag and superior tracking with 4 bottom fins Refer to the PDF attached below for User Manual Designed for lakes and moderate white water All 3 air chambers are completely enclosed by rugged 840-denier nylon with Lightweight / compact / portable UV and water-resistant coatings. Low drag / superior tracking with 4 bottom fins Refer to the PDF attached below for User Manual