. The Heavy-Duty Split Leather Palm Is Highly Durable And The Flannel Lining Provides Additional Warmth.,Large•Yellow cowsplit leather palm•Kevlar knit wrist inside cuff•Flannel lining•Easy to wear gunn pattern They Have A Kevlar Knit Wrist Liner Inside The Cuff For Additional Cut Protection That Is Much Stronger Than Cotton And Able To Withstand Much Higher Temperatures.