The Knox Micro lock Chest Upgrade for Back Protectors is a brand new piece of protection which can be fitted to the Knox Aegis Back Protector for Chest protection.Brand new and improved Chest Protector upgradeShaped and profile fit for Men and WomenFitting system for use with Aegis Back protectorRemovable and washable coverCE approved Level 1 Micro-Lock ArmourThe Knox Micro lock Chest Upgrade for Back Protectors is a brand new and improved Chest protector which is available in both Male and Female fit, offering a shaped and profiled fit for each gender.Micro-Lock Armour has been used in this protector. MICRO-LOCK Armour are the softest, most comfortable protectors Knox has ever made and totally contour to the body. This softness, linked with Micro-Lock s smart protective qualities, means Knox can engineer many shapes and thicknesses so each rider is able to find the perfect protector for every garment. Knox MICRO-LOCK uses SMART technology and properties which keep the armour super sof