MUELLER Wrist Brace with Splint
- Rigid splint built into the wrap
- One size, most adults, right or left wrist
- Hook and loop closure, adjustable tension
- 82 g lightweight build for day and night wear
- 2.2 x 3.65 x 6.6 inches item dimensions
- One year warranty, hand wash only
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A simple splinted wrap for wrist pain flare ups that works on either hand and through the night. The single size suits most adults, but no wrist measurement range is published to confirm the fit.
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ASIN: B000RZHPOMModel: 300Category: Hand & Wrist Braces
Overview
A rigid splint inside an adjustable wrap holds the wrist steady while the hook and loop strap sets the snugness. The brace slides over the hand, tightens to comfort and is made for daytime tasks or overnight wear on either side.
Rigid support with very little bulk is why people reach for it: the splint limits bending during tasks that load the wrist, yet the brace stays light enough to sleep in. A single size means no exchange hassle for most adults, but very small or very large wrists get no sizing guidance beyond measuring around the wrist.
Who it's for
Desk workers, lifters and sleepers with sore wrists get firm splinting that can move between hands. People who need the thumb held still or a measured size are better served by a different brace.
Pros and cons
- Rigid splint limits wrist bending
- Fits either right or left hand
- Light enough for overnight use
- Strap tension adjusts to comfort
- Wrist circumference range not listed
- Single size only
- Hand wash only
- No thumb support described
Performance notes
Support comes from the stiff splint along the wrist, so relief depends on how firmly the strap holds it against the joint. Tighten too little and the splint can shift during gripping. Tighten too much and the wrap may feel restrictive overnight, so a slightly looser setting may suit sleep.
Specifications
| Brand | Mueller |
|---|---|
| Model | 300 |
| Dimensions & fit | |
| Size | 1 Count |
| Item Weight | 0.18 pounds |
| Item Dimensions | 2.2 × 3.6 × 6.6 inches |
| Capacity & performance | |
| Age Range Description | Adult |
| Construction & materials | |
| Color | Black |
| Included components | |
| Unit Count | 1 |
| Included Components | Wrist Splint |
| Warranty & support | |
| Warranty Description | 1 Year |
| Other details | |
| Target Use Body Part | Wrist |
| Closure Type | Hook & Loop |
| Sport Type | Multi-Sport |
| Number Of Items | 1 |
| Part Number | 300 |
| Product Care Instructions | Hand Wash Only |
| Specific Uses For Product | Carpal Tunnel Syndrome |
| Special Features | Splint |
| Manufacturer Contact Information | 800-356-9522 |
Frequently asked questions
How do I size the Mueller wrist brace with splint?
It comes in one size for most adults. Mueller says to measure around the wrist, but the listing gives no circumference range, so check the fit when it arrives.
Can I sleep in the Mueller 300 wrist brace?
Yes. Mueller describes the material as lightweight enough for all-day wear and nighttime use.
Does the Mueller splint brace immobilize the thumb?
The listing describes a wrist splint and wrap only. No thumb strap or thumb splint is mentioned, so it is aimed at wrist support, not thumb injuries.