TPR HOOK and LOOP Closure Provides Secure Fit;Rough Surface on TPR CLOSURE increate anti-slip Ability When Opening the Faster.Ultra-Stick Palm for Maximum Catchaability;Plenty of Vented Holes on the Palm and Side Fingers for Extra Breatatability.Mesh material on back of hand for maximum Breatathability, dexterity and comfort;Back of Hand and Thumb Are Covered with Patented Impact Protection With Silicone Filling Dramatically Reduce Hand Injuries from Clash.Adult S (7.3 ""-7.9"", 18.5cm-20cm) Adult M (7.9 ""-8.5"", 20cm-21.5cm) Adult L (8.5 ""-9.1"", 21.5cm-23cm) Adult XL (9.1 ""-9.6"", 23cm-24.5cm) Adult XXL (9.6 ""-10.2"", 24.5cm-26cm).Method for Choosing the Size, According to Palm Circumference not included thumb.adult XS (6.7 ""-7.3"", 17cm-18.5cm).TPR hook and loop closure provides secure fit; Rough surface on TPR closure increase anti-slip ability when opening the fastener. Ultra-stick palm for maximum catchability; Plenty of vented holes on the palm and side fingers for extra breathability. Mesh material on back of hand for maximum breathability, dexterity and comfort; Back of hand and thumb are covered with patented impact protection with silicone filling dramatically reduce hand injuries from clash. Adult S(7.3""-7.9"",18.5cm-20cm)Adult M(7.9""-8.5"",20cm-21.5cm)Adult L(8.5""-9.1"",21.5cm-23cm) Adult XL(9.1""-9.6"",23cm-24.5cm) Adult XXL(9.6""-10.2"",24.5cm-26cm). Method for choosing the size,According to palm circumference not including thumb.Adult XS(6.7""-7.3"",17cm-18.5cm).Seibertron G.A.R.G 2.0 Gel Filled Patentiert Anti-Impact Ultra-Stick Football Sports Receiver/Empfänger Handschuhe Jugend und Erwachsener Weiß Erwachsene L