MCR Safety 3420L Grain Pigskin Driver Premium Grade Gloves with Self Hemmed Cuff and Keystone Thumb, Yellow/Gold, Large, 1-Pair These premium grain pigskin self hemmed cuff gloves come with keystone thumb and without lining Glove palm premium grain pigskin leather with 1.0/1.1-mm in thickness Glove back is made same as palm with shirred elastic back Leather/self hem cuffing gloves has no lining and keystone thumb type Single/double polyester thread stitching with 8 stitches to an inch