Knox Advance X Part Back Upgrade - Black
Knox advance back protector, available in a range of sizes to fit your jacket!
Knox Chest Upgrade for Shirts/Gilets - Black
Knox chest upgrade for the Venture Shirt, Trooper Top, Urbane Shirt, Track Vest & Fast Back Gilet.
Knox Micro-Lock Upgrade Back Protector - 115
Incredibly soft & comfortable but incredibly protective & resilient back protector upgrade.
Knox Micro-Lock Upgrade Back Protector - 114