---
product_id: 45589041
title: "Plantar Fasciitis Adjustable Night Splint. Sleeping boot for foot stretching. P.F. Night Splint with wedge for dorsiflexion. Achilles tendonitis, Heel and Bone Spur, Tendon and Calf Stretching, Arch Pain Treatment. Fits Left & Right Foot. L4398 (Medium)"
brand: "alpha medical"
price: "¥13341"
currency: JPY
in_stock: true
category: "Alpha Medical"
url: https://www.desertcart.jp/products/45589041-plantar-fasciitis-adjustable-night-splint-sleeping-boot-for-foot-stretching
store_origin: JP
region: Japan
---

# Adjustable fit for left & right foot 3 padded buckle straps for secure immobilization Lightweight, breathable low-profile shell Plantar Fasciitis Adjustable Night Splint. Sleeping boot for foot stretching. P.F. Night Splint with wedge for dorsiflexion. Achilles tendonitis, Heel and Bone Spur, Tendon and Calf Stretching, Arch Pain Treatment. Fits Left & Right Foot. L4398 (Medium)

**Brand:** alpha medical
**Price:** ¥13341
**Availability:** ✅ In Stock

## Summary

> 🦶 Sleep Tight, Step Right: Wake Up Pain-Free and Ready to Own Your Day!

## Quick Answers

- **What is this?** Plantar Fasciitis Adjustable Night Splint. Sleeping boot for foot stretching. P.F. Night Splint with wedge for dorsiflexion. Achilles tendonitis, Heel and Bone Spur, Tendon and Calf Stretching, Arch Pain Treatment. Fits Left & Right Foot. L4398 (Medium) by alpha medical
- **How much does it cost?** ¥13341 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/45589041-plantar-fasciitis-adjustable-night-splint-sleeping-boot-for-foot-stretching)

## Best For

- alpha medical enthusiasts

## Why This Product

- Trusted alpha medical brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Light as Air:** Low-profile, breathable shell keeps your foot cool and comfortable all night long
- • **Proven Results:** Thousands trust it to reduce heel pain, bone spurs, and arch discomfort—wake up pain-free and ready to conquer
- • **Secure & Stable:** Triple padded straps with buckles ensure firm immobilization without sacrificing comfort
- • **Customizable Comfort:** Fits men's shoe sizes 7.5-10 & women's 8-10.5 with easy left/right adaptability
- • **Targeted Pain Relief:** Clinically designed wedge for optimal dorsiflexion to stretch plantar fascia and Achilles tendon overnight

## Overview

The Alpha Medical Plantar Fasciitis Adjustable Night Splint (Medium) is a lightweight, breathable foot brace designed to alleviate heel and arch pain by gently stretching the plantar fascia and Achilles tendon overnight. Featuring a low-profile shell and three padded buckle straps, it fits both left and right feet for men's shoe sizes 7.5-10 and women's 8-10.5. Clinically recommended for plantar fasciitis, Achilles tendonitis, bone spurs, and calf stretching, this durable splint helps users reduce pain and improve mobility with gradual, consistent use.

## Description

Buy Plantar Fasciitis Adjustable Night Splint. Sleeping boot for foot stretching. P.F. Night Splint with wedge for dorsiflexion. Achilles tendonitis, Heel and Bone Spur, Tendon and Calf Stretching, Arch Pain Treatment. Fits Left & Right Foot. L4398 (Medium) on desertcart.com ✓ FREE SHIPPING on qualified orders

## Features

- MEDIUM (Men's Shoe Size 7.5 to 10 / Women's 8 - 10.5) (The M sticker on the brace shows it is a size Medium. This brace fits both left and right foot)
- Highly recommended that you use this product gradually. Slowly increase use over time as you stretch out the tendon and ligaments in you foot.
- Helps alleviate night time foot and heel pain
- Lightweight, low profile shell is sturdy and breathable
- Three padded straps with buckles to ensure immobilization

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06WRP2Q7D |
| Age Range Description | Adult |
| Best Sellers Rank | #53,282 in Health & Household ( See Top 100 in Health & Household ) #42 in Plantar Fasciitis Braces & Supports |
| Brand Name | Alpha Medical |
| Closure Type | Buckle |
| Color | Grey |
| Customer Reviews | 4.2 4.2 out of 5 stars (8,149) |
| Item Dimensions | 14.5 x 10 x 7 inches |
| Item Weight | 0.93 Pounds |
| Manufacturer | Alpha Medical L.L.C |
| Material | Plastic |
| Model Number | 3710-A |
| Number of Items | 1 |
| Part Number | 3710-A |
| Product Care Instructions | Hand Wash Only |
| Size | Medium |
| Special Features | Lightweight |
| Specific Uses For Product | plantar faciitis |
| Sport Type | Walking |
| Target Use Body Part | Feet |
| UPC | 099396174662 |
| Unit Count | 1.0 Count |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** Alpha Medical
- **Size:** Medium
- **Specific Uses For Product:** plantar faciitis
- **Use for:** Feet

## Images

![Plantar Fasciitis Adjustable Night Splint. Sleeping boot for foot stretching. P.F. Night Splint with wedge for dorsiflexion. Achilles tendonitis, Heel and Bone Spur, Tendon and Calf Stretching, Arch Pain Treatment. Fits Left & Right Foot. L4398 (Medium) - Image 1](https://m.media-amazon.com/images/I/81qCKk58PlL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: This was just my first night sleeping with them on and i was in pain. should i be in pain ? can i walk with them on ? how long before i can sleep well**
A: It takes time for your foot, legs, muscles to adjust to the passive stretching. When I first started wearing a splint it took a couple weeks to build up the tolerance to more than an hour. After a couple of weeks I was able to sleep through the night. Before switching to this splint my foot was warm and would cause me to wake up and I would remove the splint. I do not have that problem now and can sleep comfortably through the night with it on.

**Q: Can you tell me if it is recommended that a women’s size 7.5 should purchase a small? The size small states less than 7.5, however a medium says 8-10.**
A: At a shoe of 7.5 you must get a Medium. I have a shoe size of 6-7 depending on the shoe. In the small boot my toe touches the top. I have worn a Medium boot as well it was ok for me as well just had extra at the top but not excessive.

**Q: How do I know what size is best for me**
A: Small:

Men’s Shoe Size – Less Than 7

Women’s Shoe Size – Less Than 7.5

Plastic Shell Foot Length: 9 3/8"

Medium:

Men’s Shoe Size – 7.5 – 10

Women’s Shoe Size – 8 – 10.5

Plastic Shell Foot Length: 10 3/8"

Large:

Men’s Shoe Size 10.5 and up

Women’s Shoe Size – 11 and up

Plastic Shell Foot Length: 11 1/4"

**Q: Does this come as a pair?**
A: No, it's sold for either your right or left foot. I was having issues with plantar phascitis in my left foot. This boot was the best thing I found to help with my heel pain. I highly recommend it.

## Frequently Bought Together

- Alpha Medical Plantar Fasciitis Night Splint – Stretch Boot, Sleeping Boot, Achilles Tendonitis, Fascia, Calf Tendon Stretching, Heel and Bone Spur, Arch pain. Right & Left Foot. L4398 L4398 (Medium)
- comness Foot and Calf Stretcher-Stretching Strap For Plantar Fasciitis, Heel Spurs, Foot Drop, Achilles Tendonitis & Hamstring. Yoga Foot & Leg Stretch Strap. (Black)
- BESKAR Foot Massager Roller for Plantar Fasciitis Relief, Portable, Deep Tissue Muscle Massage, Foot Arch and Heel Pain, Reflexology Tool

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-06-18*