Specs

13mm

19mm

Fit

Fully adjustable with a hook-n-loop tab

Fully adjustable with a hook-n-loop tab

Band Length

Small: 3.7 in - 5.8 in | 94 mm -147 mm
Medium/Large: 4.5 in - 7.4 in | 114 mm - 188 mm
Extra Large: 5.8 in - 9.42 in | 147 mm - 239 mm

Small: 3.9 in - 6.2 in | 99 mm - 157.5 mm
Medium/Large: 4.9 in - 8 in | 124.5 mm - 203 mm
Extra Large: 5.8 in - 9.42 in | 147 mm - 239 mm

Band Length (end to end)

Small: 9.19 in | 233.4 mm
Medium/Large: 10.5 in | 266.7 mm
Extra Large: 12.5 in | 317.5 mm 

Small: 9.19 in | 233.4 mm 
Medium/Large: 10.5 in | 266.7 mm
Extra Large: 12.5 in | 317.5 mm 

Band Width

12.7mm | 0.5in

16.51mm | 0.65in