Callaway Core Performance Polo CGM211 Crowley KWH BW 00293 Callaway Mens Golf Shirt Customs Department Canvas and Corduroy Baseball Cap for Men in Beige Callaway Men's Herringbone Golf Polo Shirt Peacoat Pris Callaway Hat Men One Size Golf V Country Club Resort Gym Adjust Core. Callaway Men's Cap (Sweat absorbing, Quick drying) This Cool Core Cap is made with Cool Core, a sweat reducing material that cools the fabric when wetted, wrung out, and shaken. It's an essential item for preventing heatstroke and extreme heat. It features a soft brim and is lightweight. Product Details: Cool Core Men's Features: Smooth (sweat absorbing, quick drying) Free size Material: 100% Polyester Care instructions: Hand Wash Only Fit type: Adjustable Item number: C23191103