The 3.5mm Grippy latex.The fit is incredible,it features a special negative cut with latex gussets for a seamless touch and snug fit. The 4mm Patented Nova Zone Tech delivers precise grip and control when catching. The glove also features specially engineered zones to aid durability on the areas of the palm The Nova Zone Tech zones on the fingers feature adidas's top Nova latex tried and tested on all adidas footballs to give ultimate grip in both wet and dry conditions. The double thumb wrap increased stability The close fitting bandage on the wrist is designed to give an ideal fit to any wrist measurements