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The Formfit Thumb Spica Brace provides thumb and wrist immobilization in a comfortable, breathable design. Patented 3-dimensional molding technology creates an anatomically contoured fit, while dual adjustable radial and palmar stays deliver targeted support. Adjustable straps allow personalized compression. Available in left and right, X-Small through X-Large.
| Hand | Size | SKU | Wrist Circumference |
|---|---|---|---|
| Right | X-Small | RM3120 | 5.25 to 6.25 inches |
| Right | Small | RM3130 | 6.25 to 7.25 inches |
| Right | Medium | RM3150 | 7.25 to 8 inches |
| Right | Large | RM3170 | 8 to 9 inches |
| Right | X-Large | RM3180 | 9 to 10 inches |
| Left | X-Small | RM3020 | 5.25 to 6.25 inches |
| Left | Small | RM3030 | 6.25 to 7.25 inches |
| Left | Medium | RM3050 | 7.25 to 8 inches |
| Left | Large | RM3070 | 8 to 9 inches |
| Left | X-Large | RM3080 | 9 to 10 inches |
Measure wrist circumference at the narrowest point to ensure proper fit.
Individuals who need thumb and wrist immobilization in a comfortable, anatomically contoured brace will find the Formfit Thumb Spica a 3D-molded option with dual adjustable stays available in left and right from X-Small to X-Large. Active users and workers who need adjustable thumb and wrist support during daily activities will find the customizable straps and breathable construction practical for extended wear. Home health aides and caregivers who need a thumb spica brace that is easy to fit and adjust for a client will find the adjustable stays and sizing guide practical for selecting the correct size. DME providers and medical supply retailers that stock thumb and wrist supports will find the Formfit RM3020 through RM3180 series a consistently available 8-inch thumb spica brace in 10 size and hand combinations.
How do I measure for the correct size?
Measure your wrist circumference at the narrowest point — typically just above the wrist bone. Match your measurement to the sizing guide above to select the correct size. When between sizes, size up for a more comfortable fit.
Is this brace available for both left and right hands?
Yes. This brace is available in both left and right versions in X-Small through X-Large. Select the correct hand and size when ordering — the brace is not reversible between hands.
What does the 3D molding technology do?
The patented 3D molding creates an anatomically contoured shape that follows the natural curves of the thumb and wrist, providing a closer, more comfortable fit than flat-cut braces. This reduces pressure points and improves overall wearability during extended use.
Are the stays adjustable?
Yes. The dual radial and palmar stays are adjustable and can be repositioned to customize the level and location of support based on your comfort and needs.