Rival RHG10 boxing headgear in black color is the result of two years of development and improvement. We have worked closely with many athletes from the world of boxing to bring you head gear like no other on the market today. Features: microfiber lining d3o technology located on the front and side to give you additional protection velcro adjustment at the back and lacing at the top fixed strap buckle anatomical back pad under the head for a perfect fit embroidered logo Size chart:   S M L XL Head circumference 53 - 55 cm 56 - 58 cm 59 - 61 cm 62 - 64 cm Boxer weight to 60 kg 61 - 75 kg 75 - 86 kg 86 kg and more