Measure with flexible measuring tape or string and ruler. For the perfect fit, add 0.25" to the wrist length that you measure. For example, if your wrist measures 6 inches, order a 6.25". As an alternative, use your tee shirt size. If you wear a size large, then order a size large bracelet.
XXS - 5.75"
XS - 6.00"
S - 6.25"
M - 6.50"
L - 6.75"
XL - 7.00"
2XL - 7.25"
3XL - 7.50"
NOTE: Stretchy bracelets fit most wrists from 6.5" to 7.5".
(") indicates inches