Nappa leather offers breathability, wearability and durability of the glovesSmooth inner HDS foam protects the hand and gives shapeVelcro closure lets you customise the fit3-layered flexible foam offers impact and shock absorptionNatural rubber sheet offers resistance and improves overall absorptionHigher foam focus on the thumb and wrist for better protectionWeight: 8-18 oz / 250 - 500 gMaterial composition: Leather, rubber