Suspension Sizes


Ratchet Suspension Sizing

Phenix Ratchet Liner Sizing Circumference (in) Circumference (cm) Hat Size
Extra Small Largest Size Adjusted: 21
*Smallest Size Adjusted: 19 		Largest Size Adjusted: 53.34
Smallest Size Adjusted: 48.26		 6-5/8 to 6-7/8
Standard Largest Size Adjusted: 25
Smallest Size Adjusted: 21		 Largest Size Adjusted: 63.5
Smallest Size Adjusted: 53.34		 7-1/2 to 7-3/4
Extra Large Largest Size Adjusted: 26
Smallest Size Adjusted: 21		 Largest Size Adjusted: 66.04
Smallest Size Adjusted: 53.34		 7-7/8 to 8"


Nape Suspension Sizing

Phenix Nape Liner Sizing Circumference (in) Circumference (cm) Hat Size
Extra Small 23 inches 58.42 7-1/4 to 7-3/8
Standard 23 1/2 inches 59.69 7 1/2 
Extra Large 24 inches 60.96 7 5/8

Measure your head for a helmet using a straight horizontal line, not a curved path following the brow line. 

Wrap a cloth tape measure around the widest part of your head, about 1 cm to 1 inch above your eyebrows and over the ears, ensuring it is level and straight all the way around.