Kriega Back Protector The Kriega Back Protector is a testament to safety and convenience, crafted to integrate seamlessly into Kriega backpacks. It's an epitome of CE-approved impact protection without adding bulk, ensuring your back is safeguarded, irrespective of your attire underneath. Its design philosophy emphasizes a 'fit and forget' experience, making it an indispensable companion for riders prioritizing protection. Features: Rheon patented algorithmic design mimics how cells are packed in nature which helps materials to be naturally lighter Dynamic, reactive material gives impact protection exactly where its needed, while maintaining total comfort and flexibility Compatible with all Kriega backpacks besides the Hydro-2 hydration pack Dimensions: 15.9 x 6.1 x 0.7 inch