REV''IT offers the Tryonic FEEL 3.7 adult back protector with shoulder strap :

Protection:

• Polypropylene outer shells
• Patented Tryonic Vertebra system for joining polypropylene outer shells
  
• EPS core for superior energy absorption
• Coolmax stretch mesh with thermoformed padding
• CEprotection level 2 (3.7 kN) - standard EN 1621-2

Comfort:

• Ergonomic cut, follows the curves of the bodys
• Patented adjustable belt (T.C.F. Tryonic Custom Fit) to ensure a perfect fit for every rider
• Ventilation Coolmax stretch mesh zone, ideal for intensive use or summer use
• Ventilation channels in the outer layer
• Average weight 768 gr , while guaranteeing a perfect balance between ergonomics