Available in 5 different sizes to fit small children and large adults - These Guards meet all Health & Safety requirements - They are good for any activity where you are likely to be injured and compulsory for all Taekwondo class or competition sparring -- COMFORT - for general training just wear the cloth Jock strap and then for sparring you just slip the protective cup into the special pouch on the front -- SIZES - Child 38 to 60 - Small 44 to 74 - Medium 48 to 91 - Large 68 to 102 - ExLarge 72 to 124 - It's a small price to pay for you peace of mind