OrthoH₂O Waterproof Cast Kit — Long Leg Cast

Formerly OrthoNeal  |  Complete Waterproof Cast Material Kit  |  Fiberglass Cast Waterproof System

OrthoH₂O is not a cast cover. It is the actual waterproof cast material used to build a waterproof cast from the ground up. This complete waterproof cast kit includes a water-resistant tubular stockinette underpad and fiberglass casting tape — everything your doctor or cast technician needs to apply a true swim cast (also called a fiberglass cast waterproof system).

OrthoTape OrthoH₂O is a hypoallergenic, thick synthetic waterproof cast stockinette that offers extraordinary comfort to patients. Manufactured from Aerosliver yarn, it is skin-irritation-free and water-repellent. The Quick-Wick Technology allows exposure to wet conditions, and its circular-knitted fiber drains water effortlessly. OrthoH₂O Under-Pad contains silver (Ag), an antimicrobial ion that helps prevent bacterial growth and infections. With OrthoH₂O, patients can shower, bathe, and participate in water-related activities without covering their casts.

Why Choose OrthoH₂O Waterproof Cast Material?

• True Waterproof Cast System — not a cover, not a sleeve. This is the actual waterproof cast material applied by your doctor.
• Reduced Skin Irritation & Odor — antimicrobial fabric blend allows fast drying to prevent skin irritation and unpleasant odor.
• Superior Comfort — soft, flexible underpad acts as an excellent protective layer between skin and fiberglass casting tape.
• Breathable Design — unique fabric blend allows skin to breathe beneath the hard cast to reduce odor and discomfort.
• Swim Cast Ready — patients can shower, bathe, and swim. A hair dryer on a low setting can help the cast dry in 30 minutes or less.
• Casting Tape Included — fiberglass casting tape is included in every OrthoH₂O kit.
• Antimicrobial Silver (Ag) Technology — helps prevent bacterial growth inside the cast.
• Color Choice — choose your fiberglass cast tape color at checkout.

✅ Everything you need to make a waterproof cast is included in this kit!

Application Videos — For Patients & Doctors’ Offices

Make sure your doctor or cast technician watches our application video so they know how to apply your waterproof cast correctly!

How to Apply Your Waterproof Cast — Quick Tips

Use a similar application as seen below for the leg by doubling up the stockinette.

Remember, the Stockinette is doubled up so that it is the proper thickness.

Waterproof Long Leg Cast — Size Chart

Kit includes waterproof stockinette and casting tape. Cast tape has a choice of colors. Do not use any other materials. Enough waterproof stockinette is provided to be doubled up for thickness. Stockinette comes in white only. (See video instructions)

Frequently Asked Questions

What is the difference between OrthoH₂O, AquaCast, and Delta Dry?

• OrthoH₂O — easy one-piece design with more breathability; does not pool water at the elbow or wrist. Casting tape is included.
• AquaCast — has been around for a while; many doctors are familiar with it. AquaCast is a difficult application and tends to bunch up under the cast.
• Delta Dry — lightweight material that dries fast and is easy to apply. However, the material tends to tear, slip, and slide under the cast.

Can you swim in salt water or chlorine with the cast?
Yes. The cast is designed to handle both salt water and chlorine. Always flush with clean water afterward.

Will my doctor put this on for me?
It usually depends on the doctor. Ask around — let your doctor know you will be compliant with all instructions. If you find a doctor willing to work with you, let us know — we are compiling a list to share with other patients.

Why don’t doctors already carry this item?
It may be that they need to become more familiar with it, or it could be due to office inventory space. Many insurances do not cover waterproof cast material, so it is often an out-of-pocket cost. You can always bring it to your appointment or have us ship it directly to their office.

How long does a waterproof cast take to dry?
Dry to the touch in 30–60 minutes; fully dry within 12–24 hours. Use a hair dryer on low to speed drying. To clean, use gentle soap. For odor, soak in 1 cup hydrogen peroxide per 1 gallon water plus 1/3 cup rubbing alcohol.

How fast can you ship?
We ship same day by 2 PM EST. Upgrade your shipping at checkout. Order 1–2 days before your appointment.

What comes with the waterproof cast kit?
Every OrthoH₂O kit includes: tubular waterproof stockinette, fiberglass casting tape in your choice of color, and gloves. Everything you need to build a waterproof cast is in the box.

*This product should be applied by a trained medical professional or for educational training. Always consult a doctor before use. A waterproof cast is an alternative to traditional casting materials that cannot get wet. If a traditional cast gets wet, it is ruined and must be removed immediately. A waterproof cast still requires a drying period between wet exposures — body heat and a hair dryer on a low setting help evaporate remaining moisture. Never apply fiberglass cast tape directly to the skin.

Ships from Ridgeland, SC 29936