Great for any time of the year, in the absence of extreme conditions.
Earflaps are an addition built into the hat which can be pulled down to cover your ears. When tucked into the hat, they naturally stay warm for immediate relief when they're needed most.
Hat Sizing Guide
|XS||S||M||L||XL||XXL||One Size (OS)*|
|Inches||21¼||21⅝||22½||23¼||24||24⅞||21⅝ - 24|
|US Sizes||6¾||6⅞||7⅛||7⅜||7⅝||7⅞||6⅞ - 7⅝|
|UK Sizes||6⅝||6¾||7||7¼||7½||7¾||6¾ - 7½|
*For baseballs currently: a 4-snap-in back strap means the size range is 55cm-61cm with 58cm as the center