The sizing is given in the product description of the item. Size Large is 35.4 to 41.3 waist. I ordered the XL, my waist is 43 inches. Fits fine.

My son is very thin and the way the straps adjust and adhere with velcro allow for a very good fit. I think this system would work well for all body types and their sizing system is accurate.

DIANMEI Back Brace Posture Corrector for Women and Men, Back Braces for Upper and Lower Back Pain Relief, Adjustable and Fully Back Support Improve Posture and Lumbar Support(M, 30"-35.5" Waist)

DIANMEI Back Brace Posture Corrector for Women and Men, Back Braces for Upper and Lower Back Pain Relief, Adjustable and Fully Back Support Improve Posture and Lumbar Support(M, 30"-35.5" Waist)

Q: Are there metal or plastic stays on the upper back? Thank you

They are neither metal nor plastic. They are made of medical glass fiberboard. Medical glass fiber is a kind of clean and environment-friendly material. It is the most comfortable and suitable for human body medical devices（back brace）.

Q: Does this brace have waist straps?

Back brace can help you provide lumbar support. It also prevents sagging of your shoulders.

4.0/5

Product ID: 376066482

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Details

Brand
DIANMEI
Size
Medium (Pack
Specific uses for product
Posture
Use for
Back
Age range (description)
Adult

🎯Ergonomic pain relief

⚙️Adjustable fit 30-35.5" waist

🌬️Breathable & washable fabric

Frequently Bought Together

DIANMEI Back Brace Posture Corrector for Women and Men, Back Braces for Upper and Lower Back Pain Relief, Adjustable and Fully Back Support Improve Posture and Lumbar Support(M, 30"-35.5" Waist)

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Description

🦸‍♂️ Stand tall, feel unstoppable — your secret to all-day confidence!

CONFIDENCE BOOSTER - Realigns your spine and retrains muscles to help you stand taller with shoulders back, radiating confidence.
CUSTOMIZABLE COMFORT - Adjustable straps and multiple sizes ensure a perfect fit tailored to your body shape.
DURABLE BREATHABLE - Made from soft, washable materials that keep you comfortable during extended daily wear.
TARGETED PAIN RELIEF - Ergonomically designed to reduce upper & lower back pain, perfect for lumbar and neck discomfort.
POSTURE ANYTIME ANYWHERE - Discreet under-clothing wear lets you correct posture at home, office, or even during workouts.

The DIANMEI Back Brace Posture Corrector is a versatile, adjustable support designed for men and women with a 30-35.5" waist. It combines ergonomic design and breathable materials to relieve upper and lower back pain, improve posture discreetly under clothing, and promote muscle memory for long-term spinal alignment and confidence.