Level 2 protection Micro-Lock Compact Shoulder armour inserts by Knox - the highest performance upgrade option for your Knox motorcycle jacket or Knox armoured shirt. Micro-Lock Compact armour is the thinnest and lightest advanced protection from Knox. Level 2 CE Certification means the highest performance option has been reached. At only 9mm in thickness, Level 2 Micro-Lock Compact is over 50% thinner and 30% lighter than the previous generation of Knox's Level 2 Micro-Lock armour. So, for those riders pushing limits, or who want higher levels of performance, the Level 2 Micro-Lock Compact Shoulder inserts are a great option. Sold as a pair. Thinner - over 50% thinner, low profile and more streamlined than before Lighter - 30% lighter than the previous Level 2 Micro-Lock generation Strong - tough and durable Honeycomb structure that is inspired by nature Air flow - radically improved ventilation and breathability Smart - Micro-Lock smart technology is soft to touch but locks when impacted, reducing energy transmission Soft - supple and tactile with excellent form recovery for all day comfort Unbroken Performance - patented “Flex and Adapt” side closure system that is ergonomically designed to ensure uninterrupted impact performance in use Ergonomic Design - “Flex and Adapt” system ensures perfect integration in a garment with no unattractive bunching or folding Secure - engineered for unrestricted ease of movement with the body and to form a 3D shape with excellent form recovery Stable Dependable Performance - consistent performance across the entire surface area Smooth - aesthetically smooth chamfered edges on every protector Confidence Inspiring - the result of 40 years of specialist garment and protector engineering from Knox NB: Please review the size chart for specifications.