Your finger length will not line up exactly with the tube. Everyones fingers length are slightly different and the gloves perform fine. Hand width is more important.
XXS Rapier:
XS Rapier: x in (xxmm)
S Rapier:x in (mm)
M Rapier: in (xxxmm)
L Rapier: (xxxmm)
XL Rapier: 3-3/8" (85mm)
XXL Rapier:3-3-8" (85mm)