Electric Current Definition, Types, Properties, Effects, FAQs What is Electric Current? Definition & Direction of flow of current Ohm's law hi res stock photography and images Alamy Battery flow energy Stock Vector Images Alamy Electric Current and Current Flow What Is The Current Model Of An Atom Called Detroit Chinatown. The WRSI Current Pro helmet is a beefier version of the popular Current Helmet, with extra safety features. The Pro has all the great features of the removable ear pads and a stylish visor improve protection and comfort. The Current Pro comes in three sizes, designed to fit a wide range of head sizes. The helmet comes with a removable, replaceable liner that snugs the helmet to your head, right out of the box. The Interconnect Retention System securely holds the helmet in place under hydraulic forces. As the force of the water pushes the helmet back, the interconnect system self adjusts to hold the helmet firmly in place. A multi impact shell combines with an EVA foam liner and a polyurethane sub shell to effectively dissipate impacts. Removable ear pads provide extra warmth and reduce impacts from waves. Perforations in the pads aid hearing. The visor keeps sun and rain out of your eyes and helps protect your face. Size Head Circ. (in) S M 20. 9 22. 0 M L 22. 0 23. 2 L XL 23. 2 24. 4