The Six Six One Core Saver keeps your torso protected from those pesky high speed get offs. It's built on a wicking polyester vest, which keeps you dry throughout your ride. The spine and chest protection can make all the difference between walking it off, and getting carted off the hill.An articulating ABS plastic back panel is held in place by the jacket, as well as a compressive kidney belt. The chest protector is a welcome addition to protect against the damaging effects of the fearsome scorpion grind. The polyester vest which holds the pads securely in place is built to be wicking, so you'll stay drier when you're working up a sweat. The Six Six One Core Saver comes in Black and in four sizes, from YTH, to XX large.