Premium Fitted 210 Pro-baseball on-field shape with flat visor, matching fabric sweatband, 210 taping on inside seams, hard buckram, 3 3/4" crown and moisture absorbent pro headband. Bottom stitched for durability, with matching color under-visor S/M fits head sizes 6 7/8" to 7 1/4" L/XL fits head sizes 7 1/4" - 7 5/8"