Endura® WaterStop/Oilbloc™ Supple goat-grain driver glove are processed with superior's own Oilbloc™ treatment for exceptional water and oil repellency. Oil simply won't soak through, not hours or even days after being dropped onto leather. (Untreated leather absorbs oils and liquids within seconds of contact) and because it does not penetrate since it cannot leave a mark, gloves are highly stain resistant. Set-in keystone thumb for greater comfort. This winter style features a 100 gram Thinsulate™ lining for great warmth without bulk. Elasticized backs for a snug fit. Goat-grain leather is treated with Oilbloc™ for unbeatable oil resistance. Goatskin is exceptionally tough and abrasion. Resistant with a high strength-to-weight ratio. Winter version features 100-gram Thinsulate™ lining for excellent warmth without the bulk. Driver style slips on easily and has elastic backs for snug fit.