Not just for the pit crew.  MCR Safety mechanics gloves are constructed from an assortment of premium materials. Most styles feature Clarino or other synthetic leathers. Additionally, premium grain deerskin and goatskin styles compliment this series. The 904 features a premium synthetic leather palm and fingers, 100 gram Thermosock full sock lining, multi-layered knuckle protection, and a blue Spandex fabric back for comfort and fit.