tower Ruck – Steer oil shrink leatherDESCRIPTION cornelian taurus by daisuke iwanaga Collection. The Tower Ruck Sack is constructed from a omestically sourced cow leather. The straps are subtle and the form allows for stress free carrying of the bag. Their are two zipped pockets at the backside of the bag. Design of the original hardware used for the bag is inspired from ship Chandlery and certain parts can connect with coin cases and key holders from the label.