RaceQuip 351 SFI-1 gloves have one layer Nomex and suede leather that provides a soft and supple feel. The grey suede leather palm adds a premium look and extra grip to this affordable driving glove. The knuckle pad and palm reinforcements attach to the Nomex knit back in a way that promotes flexibility. Extra leather has been added between the index finger to the end of the thumb in the high-wear area. They feature a standard length gauntlet with an adjustable velcro closure on the back to ensure a proper fit. Exceeds SFI 3.3/1 rating.