he MTB 4.0 jacket is absolutely dedicated to the most demanding riders: elastic and waterproof material, breathable fabric and with adjustable front and rear ventilation give this bike jacket very high quality standards. In addition to the windproof WindBlock technology, the 4.0 rainproof jacket for bikes has a very comfortable tailored cut, is reinforced with Brush Guard on the shoulders and elbows for greater protection and a better feeling in contact with the backpack, while the hem and cuffs elasticated offer maximum comfort. This MTB jacket also boasts the new magnetic attachment system of the helmet with the hood, which allows the latter to always remain positioned on the helmet during the activity without ever fluttering. Furthermore, thanks to the new ClimbVent connector, you will be able to pedal comfortably even with the jacket open.