The Alpinestars GP Plus V4 Leather Motorcycle Jacket was born from the track. It has not only evolved from the famous V3, it has received a complete revolution. From a revised silhouette, improved materials and a new modernised look, get the best from Alpinestars with this jacket. The jacket has been designed with their Tech Air system in mind, so you can maintain maximum safety.Lower overall weight using improved materials.New GP-R Lite extended elbow armour.New, modernised graphic.A-CS Plus stretch material ensures a perfect fit and improved freedom of movement.Race derived sports jacket, revolution of the GP Plus V3.The Alpinestars GP Plus V4 Leather Motorcycle Jacket features a technology known as "A-CS Plus" which provides stretch to the jacket, making it a better fit, whilst increasing flexibility and improved freedom of movement. Being derived from MotoGP, A-CS increases the abrasion resistance, higher tear resistance than leather whilst keeping to a lower profile and lower weig