Flash Tube Size:ONE SIZE Due to conical underside

Due to conical underside

The latest iteration of the Sand series represents an evolution rather than a revolution

Sole Material: Vibram Rubber & Eva Sole

Combined with the Advanced Noise Control

10% rubber (outsole)

Flash Tube Size:ONE SIZE Due to conical undersideTheres nothing too flashy about the Flash tube, and theres no need for it either. Straightforward and basic by design, the Flash does everything a good tube should, but just a little better. With its incredibly stretchy, soft, and moisture wicking blend of polyester and elastane, one size fits all and that one size pretty much does it all, too. Perfect for protecting your neck from either the heat of the sun or the cold of the wind, the Flash is made