ToolHandz Synthetic Leather Mechanic's Gloves; Extreme duty mechanic's gloves, Synthetic leather palm, Snug spandex fit, Heavy duty reinforcements, Teflon coated reinforcements and PVC dots repel oil & improve grip, Ventilated internal impact layer, Maximum protective guards with superior flex. Tested: ASTM F1790-05 (backside), ASTM D3884-09, and ASTM D2632.