Description
■Size(Head Circumference ): Applicable 50-59cm (Free size)■FINA (International Swimming Association) approved■Smart design covers to the ear.■GX-SONIC HEAD designed using head scanning data to create the optimum fit which gives outstanding hydrodynamic performance.■GX-SONIC HEAD cap reduces friction by 7.8% when used in conjunction with the GX-SONIC EYE goggles comparing to 2012 model.
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