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How It Works

1. Browse

Shop to view the splints that work for you. Return to this Sizing page and scroll down to view Where to Measure.

2. Size

View "Finding Your Custom Fit" below and choose the method that works for you. If you have any questions along the way, please don't hesitate to contact us.

3. Order

Fill in your sizing on the product page when you select your splint, and add the product(s) to the cart. If you have additional sizing questions or concerns, simply contact us before or after purchase.

Finding Your Custom Fit

Measuring Tape Method

Find the measurements that are required below under Where to Measure. Convert your measurements into ring sizes below (optional).

Adjustable Multisizer Method

This is the recommended method. Using a  multisizer (available here or online), find the sizes required on the product pages.

Professional Sizing

If you have been previously measured by a medical professional, please contact us with your sizing details.

If you do not see your splint sizing instructions below, please contact us.

Size Conversion Chart

Millimeters = US Ring Size = British/Irish/AU

38mm = .5 = A

41mm = 1 = B

42mm = 1.5 = C

43mm = 2 = D

45mm = 2.5 = E

46mm = 3 = F

47mm = 3.5 = G

49mm = 4 = H

50mm = 4.5 = I

51mm = 5 = J 1/2

53mm = 5.5 = K 1/2 

55mm = 6 = L 1/2

56mm = 6.5 =  M 1/2

57mm = 7 = N 1/2

58mm = 7.5 = O 1/2

59mm = 8 = P 1/2

60mm = 8.5 = Q 1/2

61mm = 9 = R 1/2

63mm = 9.5 = S 1/2

64mm = 10 = T 1/2

65mm = 10.5 = U 1/2

66mm = 11 = V 1/2

68mm = 11.5 = W 1/2

69mm = 12 = X 1/2

70mm = 12.5 = Z