A classic baseball fit combined with the shape and quality of a classic trucker R-Flex technology stretches for simpler sizing and an ideal fit Our Comfort Stretch sweatband improves fit and delivers all-day comfort Sizes: XS-SM (6 5/8 - 7), SM-MD (7 - 7 1/4), LG-XL (7 3/8 - 7 5/8) Pulse fabric front panels make the 172 cool, comfortable, and ready for action. A Sportmesh back, contrast stitching, and a precurved bill give an athletic look, while Stay-Dri wicking keeps working in all conditions.