Callaway liquid metal visor golf cap the callaway liquid metal visor golf cap is a must have edition to any golfers wardrobe the open top allows for maximum air ventilation and heat release for improved and long lasting comfort throughout wear with an unrestricted feel the comfort touch head band makes for a snug yet comforting fit that lends itself to comfort while the hook and loop tape closure makes for easy and quick fasteningadjustment complete with callaway branding and a curved sun p