Sizing

Wrap a soft measuring tape snugly around your wrist and note the circumference in centimeters.

Hyperspike

The Hyperspike's inner circumference should sit roughly 0.5–2cm larger than your wrist for a comfortable fit.

Bracelet size (inner circumference)Fits wrist
17cm15–16.5cm
19cm17–18.5cm

Raver

The Raver is adjustable with 2 adjustment points, and is very stretchy. It fit wrists 15.5-19cm.

Measurements are approximate.