Method for choosing the size: wrap a measuring tape tight around your knuckles to measure the circumference of your hand and refer to left size chart. Circumference of the palm: XS(6.5"-6.89",16.5cm-17.5cm) S(6.89"-7.48",17.5cm-19cm) M(7.48"-8.07",19cm-20.5cm)L(8.07"-8.66",20.5cm-22cm) XL(8.66"-9.25",22cm-23.5cm)XXL(9.25"-9.84", 23.5cm-25cm) REIFORCED SYNTHETIC LEATHER AND KEVLAR THREADS STITCHING ON THE PALM FOR MAXIMUM DURABILITY SBR PADDING ON THE PALM TO ABSORB THE SHOCK AND REDUCE HAND FATIGUE EFFECTIVELY PULLER ON THE MIDDLE AND RING FINGERS IS USED FOR GLOVES TAKING OFF EASILY ;ID TAG ON THE WRIST FOR NAME MARKING AND GLOVE HANGING