Level 1 protection Micro-Lock Compact Shoulder armour inserts by Knox - the low-profile and discreet option for your Knox motorcycle jacket or Knox armoured shirt. Micro-Lock Compact armour is the thinnest and lightest protection from Knox, that is hardly noticeable in a garment. At 6mm thick, the Level 1 Micro-Lock Compact is 33% thinner and 25% lighter than the Level 2 Micro-Lock Compact armour option. Perfect for urban or city riders who want discreet protection or off-road riders who want weight and thickness to be kept to a minimum. Sold as a pair. Thinner - 33% thinner than the Level 2 Micro-Lock Compact option Lighter - 25% lighter than the Level 2 Micro-Lock Compact option 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.