VERSATILE: This classic ivy cap for men is made of 30% wool and 70% polyester, and is sure to become your take-everywhere gatsby cap. Ideal for cooler weather, though you'll want to wear it all year long. CLASSIC LOOK: This flat cap for men imparts the perfect blend of dash and dignity, with its stunning herringbone plaid patterning. This Irish cap is sure to enhance any man's look. QUALITY CONSTRUCTION: our driving hat is made from the finest Australian wool, and features a satin grosgrain ribbon sweatband. Weighing only 0.2 pounds, you’ll forget you’re even wearing this cabbie hat. AVAILABLE IN S,M,L & XL SIZES: Fits just right. Please check your head size before purchasing this cap (see sizing chart in the images to the left.) SELECTING THE RIGHT SIZE: Place a string or tape measure around your head, about 1/8" above your ear, completely circling your head. Hold the tape firmly, but not too tightly. If the measurement is between sizes, then choose the larger size. See our size chart for specifics.