# Horizon™ 637 LSO Back Brace

The Horizon™ 637 LSO provides trunk stability and targeted compression designed to support fatigued muscles causing secondary back pain resulting from surgery or injury. Moveable, rigid side panels provide lateral support and a comfortable environment for healing. One size adjustable, the Horizon 637 LSO comfortably fits waist sizes ranging from 24-50 inches, and up to 70 inches with the extension panels. To further support patient recovery, Horizon braces can be stepped down to the Horizon PRO for the treatment of recurring ailments.

![](https://cdn.shopify.com/s/files/1/0533/4587/8181/files/Aspen_637-5_480x480.png?v=1715368397)

### **Sizing: 24in (61cm) – 50in (127cm)**

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![](https://cdn.shopify.com/s/files/1/0533/4587/8181/files/Horizon456TLSO-13_480x480.png?v=1698432535)

### One Size Adjustable  

Pull-through sizing mechanism allows for quick and easy adjustment, without the use of tools. Embroidered size indicators makes it easy to fit and adjust sizes.  

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### ![](https://cdn.shopify.com/s/files/1/0533/4587/8181/files/Horizon456TLSO-14_411bed9e-f504-42cd-ae9d-d1e4a92e7bab_480x480.png?v=1698429147)Targeted Independent Tightening Mechanism

Aspen’s patented 4:1 mechanically advantaged SlickTrack™ tightening system independently tightens top and bottom allowing patients to localize compression where they need it to support fatigued muscles that spasm.

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### ![](https://cdn.shopify.com/s/files/1/0533/4587/8181/files/Horizon637LSO-13_480x480.png?v=1698432571)Reliable Structural Integrity

Tri band technology system and integrated vertical stays provide stability and maintain structural integrity to help ensure effective compression and flexibility.  

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### ![](https://cdn.shopify.com/s/files/1/0533/4587/8181/files/Horizon456TLSO-15_480x480.png?v=1698432607)Steps Down to Support Recovery

Regardless of which configuration a patient requires initially, all Horizon braces can be stepped down to the Horizon PRO, the lowest-profile option to help manage recurring ailments as needed.

  

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### **Aspen 637 Instructional Videos**

 [![Youtube Play Icon](https://cdn.shopify.com/s/files/1/0533/4587/8181/files/youtube-red-icon.png?v=1739451015) ![Video Thumbnail](https://cdn.shopify.com/s/files/1/0533/4587/8181/files/sAfBsqqk1D4.jpg?v=1740062855)](https://www.youtube.com/watch?v=sAfBsqqk1D4)

 [![](https://cdn.shopify.com/s/files/1/0551/7937/8722/files/youtube-red-icon.png?v=1726143387) ![](https://cdn.shopify.com/s/files/1/0533/4587/8181/files/Aspen_Horizon_631_637_Application_Thumbnail.png?v=1745468635)](https://www.youtube.com/watch?v=19rrOwtw2_A)

 [![](https://cdn.shopify.com/s/files/1/0551/7937/8722/files/youtube-red-icon.png?v=1726143387) ![](https://cdn.shopify.com/s/files/1/0533/4587/8181/files/Aspen_Horizon__LSO_vs_Pro_LSO_Thumbnail.png?v=1745468630)](https://www.youtube.com/watch?v=vN_UIedMmSU)

## Details

- **Price:** 224.99 USD
- **Vendor:** Aspen® Medical Products
- **Tags:** Aspen, Back, Back Brace, FSA-HSA-Eligible

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 224.99 USD | In stock |

## Images

- Horizon™ 637 LSO Back Brace - 993730 Horizon™ 637 LSO Back Brace - Default Title by Supply Physical Therapy Aspen, Back, Back Brace
- Horizon™ 637 LSO Back Brace - 993730 Horizon™ 637 LSO Back Brace - Default Title by Supply Physical Therapy Aspen, Back, Back Brace
- Horizon™ 637 LSO Back Brace - 993730 Horizon™ 637 LSO Back Brace - Default Title by Supply Physical Therapy Aspen, Back, Back Brace
- Horizon™ 637 LSO Back Brace - 993730 Horizon™ 637 LSO Back Brace - Default Title by Supply Physical Therapy Aspen, Back, Back Brace
- Horizon™ 637 LSO Back Brace - 993730 Horizon™ 637 LSO Back Brace - Default Title by Supply Physical Therapy Aspen, Back, Back Brace
- Horizon™ 637 LSO Back Brace - 993730 Horizon™ 637 LSO Back Brace - Default Title by Supply Physical Therapy Aspen, Back, Back Brace
- Horizon™ 637 LSO Back Brace - 993730 Horizon™ 637 LSO Back Brace - Default Title by Supply Physical Therapy Aspen, Back, Back Brace
- Horizon™ 637 LSO Back Brace - 993730 Horizon™ 637 LSO Back Brace - Default Title by Supply Physical Therapy Aspen, Back, Back Brace
- Horizon™ 637 LSO Back Brace - 993730 Horizon™ 637 LSO Back Brace - Default Title by Supply Physical Therapy Aspen, Back, Back Brace

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> Source: [Supply Physical Therapy](https://supplypt.com/products/horizon-637-lso-back-brace)
> Updated: 2026-09-14