BlackPak Pro 16x16 ShortStak Upgrade Kit Size:One Size Our lightweight and durable fabric

Our lightweight and durable fabric is coated with an exclusive wax blend that delivers optimal wind and water resistance

stainless-steel armor that can handle taking a tumble

Dual adjustable sternum straps increase stability and offer a range of adjustments for customization

100% recycled

Ideal for most body types

BlackPak Pro 16x16 ShortStak Upgrade Kit Size:One Size Our lightweight and durable fabricThe YakAttack BlackPak Pro 16x16 ShortStak Upgrade Kit is a stackable box that replaces the lid of a new or existing BlackPak Pro, giving you a second layer of storage for quick access go to items. Its construction is virtually the same as the BlackPak Pro, however, it is only about 40% of the original height. The bottom edge of the ShortStak side panels is angled to match the geometry of the BlackPak opening, giving you the same water shedding fit as