Grade a leather - constructed of a blend of premium grade a Leathers for comfortable heat resistance and unparalleled dexterity Kevlar threading - Glove features heat and fire resistant Kevlar stitching across the palm and throughout the entire glove Knuckle impact protection - fire-resistant synthetic knuckle protection adds an extra layer of padding Open cuff - long, Gauntlet-Style open cuff easily accommodates fire-resistant sleeves and jackets Cotton/poly liner - a cotton/poly back of hand liner adds additional heat protection so you can spend more time welding and less time cooling off your hands Seamless palm and index finger - palm and index finger are seamless for smooth rod rolling with zero catch-points and maximum mobility