YakAttack ShortStak Upgrade Kit for BlackPak Pro | 13" x 13" – Battleship Grey | Stackable Kayak Crate Add-On with GridLoc Panels, Hinges & Latches | Not Standalone | Made in USA — Open-Box, 12% Off

STACKABLE STORAGE ADD-ON – Converts your 13” x 13” BlackPak Pro into a dual-layer gear system for fast access to essential tackle, tools, or rigging accessories

NOT A STANDALONE BOX – Designed to attach on top of a BlackPak Pro using shared components; lid not included; BlackPak Pro sold separately

GRIDLOC MOUNTING PANELS – Features molded GridLoc screw bosses on all sides for mounting accessories like MightyMounts, Through Hull Kits, or TracPaks

INCLUDES HARDWARE – Comes with panels, latches, bumpers, hinges, straps, and stainless steel hardware; easy to assemble with tongue-and-groove panel joints

YAK ATTACK BUILT FOR LIFE – Constructed from lightweight, UV-stabilized injection-molded polymers; made in the USA for harsh marine conditions

Q: What is the YakAttack ShortStak Upgrade Kit used for? A: This add-on storage layer stacks on top of your existing 13" x 13" BlackPak Pro, giving you quick access to your most-used items without taking up more deck space. Q: Does this include the BlackPak Pro base? A: No. This is not a standalone storage crate. It is an upgrade that mounts to the top of a 13x13 BlackPak Pro, sharing structural components. Q: What comes in the box? A: The kit includes side and bottom panels, bumpers, hinges, latches, straps, and all stainless steel hardware for assembly. The lid is not included. Q: Can I mount accessories to the outside of the kit? A: Yes. Every panel is GridLoc compatible and supports YakAttack accessories like MightyMounts, TracPaks, and wiring kits. Q: How tough is the build quality? A: It’s made in the USA from marine-grade polymers with interlocking joints and a ribbed design that keeps it rigid, lightweight, and long-lasting in saltwater environments.