The Knox Micro-Lock Upgrade Protectors are soft, comfortable protectors that are designed to contour to the body.CE certified MICRO-LOCK armourSMART TechnologyBody contouringSoft to touchThe Knox Micro-Lock Upgrade Protectors have been created using SMART technology. This means that the armour will remain super soft but will lock when impacted. This action increased the amount of energy absorbed by the armour, reducing what is passed through to the riders body.Tests have been carried out meaning that this protection is stable across extreme temperatures - tested as -20c up to +40c. This makes it ideal for all-weather conditions.