Premium Hard Shell With Impact Foam The hard shell 5.5 Chest Protector Pro is lined with 3DF AirFit impact foam that is CE certified and offers chest, back, and shoulder protection. 3D multi-layer, multi-plate articulating design that proves to be comfortable as well as ventilated with 53 ventilation slots and works with or without a Leatt Neck Brace. Next step up in protection level is the 5.5 Pro HD or 6.5 Pro Chest Protector Hard shell and 3DF AirFit ventilated soft impact foam CE tested and certified as impact protection: Chest prEN1621-3 Level 2 Back EN1621-2 Level 2 Shoulder EN1621-1 FIM-Federation International Certified FFM-French Federation Certified Multi-layer, multi-plate articulating design Mesh base layer Our 3D design ensures a great fit that is very comfortable 45 ventilation slots for maximum cooling FlipFit front and rear function and BraceOn™ neck brace fitting system allows over and under the shirt fitting with Leatt® neck braces Under and over the jersey fitting Weight: from 1.700g (3.75lbs) Unisex Fit: 70 to 90 kg (154-198lbs) Also available in #XXL 90 – 130kg (198-287lbs) 5014101113