The Double Pocket Model has two expandable pockets on both front and back.
4 layer insulating system
To provide maximum thermal and moisture protection, Altieri case covers are constructed from tough, water-resistant black nylon for the outer shell, and an insulated liner. This unique four-layer insulating material is designed to reduce heat loss in winter and heat gain during summer. Two thermal layers, a plastic moisture barrier, heat reflecting mylar®, plus a smart canvas coating combine to pad and insulate delicate woodwind instruments and their cases from the elements. Heavy duty zippers, sturdy nylon straps and high quality fasteners