The Radians RWG713 TEKTYE FDG Reinforced Thumb A4 Work Glove is a 13 gauge gray shell with a FDG palm coating. TEKTYE is an engineered yarn capable of meeting the ANSI Cut Level A4 without the use of Fiberglass or Stainless Steel. The FDG coating is a developed coating useful for applications requiring high abrasion resistance.