Skytec Ninja X4. These nylon/glass fibre reusable gloves from Skytec provide cut level 4 resistance for high abrasion and tear resistance. Features ; Benefits. Cut resistant to level 4 Improved hygiene with Actifresh antibacterial and anti-odour treatment and breathable material on the back of the hand Special anatomical design to help reduce hand fatigue Excellent grip in both wet and dry conditions. Typical Applications. Glass industries Engineering Assembly Bottling and canning Packaging