Cascade M11 Sizing Chart
Size Hat Size Circumference (in.) Circumference (cm.)
X-Small 6 1/8 - 6 3/8 19.7" - 21" 50 - 54
Small 6 1/2 - 7 20.4" - 22" 52 - 56
Medium 6 7/8 - 7 3/8 22.6" - 23.2" 55 - 59
Large 7 1/4 - 7 7/8 22.8" - 24.8" 58 - 63