[WESTERN HYDRODYNAMIC RESEARCH] Promotional Hat (Navy)

Features WHR Shock Cord Bungee closure: constructed out of nylon cased, multi-stranded rubber core and secured by brass grommets to prevent pull outs.

Embroidered logo

Designed and tested in California by the WHR.Institute

U.S. Patent No. D923,920

60% Cotton 40% Polyester