Thor® uses an innovative new treatement on the aramid fabrics , developed and patented by Pro-Systems, ensuring the maximum energization of the already strong resistance of aramid yarns, offers higher security features with lower costs. The main characteristics are : a) Excellent Water and Oil resistant b) Excellent Ballistic Protection c) Good Trauma reduction d) Good Weight reduction e) Good Wearability f) Significant Reduction vest’s manufacturing costs g) Excellent value quality/performance/price