TracPak Combo Kit, Two Boxes and Track Mount Size:One Size They're made from durable canvas

They're made from durable canvas with built-in stretch

18oz / 535 mL BPA-FREE Insulated Soft Flask with bite valve

FastDry wicks away sweat

From our 4-way knit stretch that's moisture wicking and amazingly lightweight

TracPak Combo Kit, Two Boxes and Track Mount Size:One Size They're made from durable canvasSecure, quick access, and versatility were the foundational requirements when designing the TracPak. We wanted the ability to mount one or two storage boxes on a MightyMount or GearTrac, and with the TracPak, you can stack two boxes onto a single mounting point, helping save track space for other accessories. The TracPak features a quick release track base compatible with all YakAttack MightyMounts, GearTrac, and most other factory installed kayak