Rev'it! Nucleus Protector Jacket Engineered from robust 3D air mesh and flexible polyester stretch, the Nucleus reimagines core motorcycle gear. It embodies essential traits, offering CE-level 2 protection for shoulders, elbows, and the back, upheld by Seeflex and Seesoft armor. Additionally, CE-level 1 Seesoft stands as a split chest protector. With a modest collar and single chest pocket, the Proteus functions as a versatile foundation. It seamlessly complements various garments, be it a Dirt Series off-road jacket, a cherished casual jacket, or even a cozy sweater. The Proteus ensures comprehensive coverage, merging style and comfort seamlessly. The Nucleus is CE AA rated for abrasion and impact. Protection Features: Outer shell: air stretch mesh stretch Lining: 3D mesh Composition: 70 polyester, 25 nylon, 5 spandex Protection: Seeflex CE-level 2 elbow and shoulder protectors Seesoft Air CE Level 2 back protector Seesoft CE-level 1 divided chest protector Visibility: laminated reflection laminated reflective logo CE AA rated for abrasion and impact Ergonomic Features: Fit: form fitting Ventilation: fully ventilated mesh Features: lycra thumb loop stretchable wind cuffs 3D mesh protector pockets stretchable