The Quantum leather gloves are lined with Razornet Ultra liners to provide a high standard in cut-resistant duty gloves. Razornet Ultra is a Damascus proprietary blend of yarns which feature one of the highest performance levels in cut resistant duty gloves available. The Q5 liner type / Razornet Ultra have been lab tested according to the CE Certification test criteria of EN388 (European Standard) and exceed Level 5, their highest cut resistance level.