HEAD Kids Light Function Cap size uk5 5 us7 5 while there are two external while there are two external pockets for water bottles or ball cans and the shoe compartment means you can keep your footwear separate from the rest of your essentials the HEAD PADEL PRO S+ allows for much faster play and is easier to smash out of the court The KIDS LIGHT FUNCTION CAP TONAL is the ideal workout cap for the serious youngster The smaller version of the high performance LIGHT FUNCTION CAP offers the same top notch functionalities: made of micro fibre lightweight polyester the cap offers an additional sweatband inside for great sweat absorption and a velcro strap for the perfect fit