Axe Vest Massi Piffaretti endorsed, quality materials, built for progressive riding and nothing else! Completely constructed with seriously stretchy and soft neoprene. ProFit 2 side super stretch panels. Lower cinch belt to stop the vest from riding. Duel layer neoprene construction. Feather weight foam, the softest and lightest we can find. Reduced individual foam panel segments. YKK locker zipper with silicon dipped pull string. ProFit 2 Designed with the way you move in mind. This is the most lightweight flexible jacket in the Follow line. We used team feedback and retailers to further develop our existing ProFit. Two added side flex panels for ultimate movement with better fit adjustability. Cinch waist belt. Keeps your vest in place and stops your vest inverting on serious crashes. If you dont like it, remove it. Performance arm hole sizing to reduce jacket lift in the water. Removed under arm foam panel while maintaining lower padding panels for added movement with rib protection. Tapered waist fit, for the athletic build. Zipper flap 2.0 - Velcro backed neoprene zipper flap. It stops the YKK zipper stabbing you in the throat.