Alpinestars Bionic Hydratation Bag meta-size-chart-thor-racewear-sizing-chart all seams are electronically heat

all seams are electronically heat welded

Reinforced polymer-printed texturing in critical elbow and lower arm areas for enhanced abrasion resistance

a split link is still included in the box for easy track side fitment

Extended lower back protector offers more protection to the rider

75″ tubes (round tube Rangers

Alpinestars Bionic Hydratation Bag meta-size-chart-thor-racewear-sizing-chart all seams are electronically heatAlpinestars Bionic Hydratation Bag Features Pack includes a 1. 5L water bladder Compatible with the new Bionic Tech v2 and Pro v2 Protection Jackets by hooking on to the outside of the back protector through specially designed loops.