BSN Medical Gelocast Unna Boot, 4 Inch x 10 Yards

The BSN Medical Gelocast Unna Boot is a light compressive cast made from non-raveling gauze coated with a zinc oxide and calamine formula. Unna boots are used in the management of venous leg ulcers, edema, and other lower extremity conditions requiring sustained compression and a moist wound healing environment. The zinc oxide and calamine coating provides soothing, skin-protective properties while the gauze construction conforms to the leg for comfortable, consistent compression. Size: 4 inches wide x 10 yards long.

Key Features

• Non-raveling gauze construction for clean, consistent application
• Coated with zinc oxide and calamine formula for soothing, skin-protective compression
• Light compressive cast — provides sustained compression for venous conditions
• Conforms to the leg for comfortable, consistent fit
• Size: 4" x 10 yards

Specifications

• SKU: BE1053
• UPC: 35664010539
• Brand: BSN Medical (Gelocast)
• Width: 4 inches
• Length: 10 yards
• Construction: Non-raveling gauze
• Coating: Zinc oxide and calamine formula
• Type: Unna boot compression bandage
• Country of Origin: United States

Ideal For

This Unna boot is well suited for wound care nurses and vascular clinicians managing venous leg ulcers who need a zinc oxide-impregnated compression bandage that provides sustained compression while creating a moist, skin-protective environment at the wound site. Physicians and advanced practice providers treating chronic venous insufficiency, lower extremity edema, and lymphedema will find the Gelocast a clinically established option for multi-layer compression therapy as part of a comprehensive wound care protocol. Physical therapists and occupational therapists managing lower extremity edema in post-surgical or rehabilitation patients will find the light compressive cast format appropriate for patients who require compression without the rigidity of a hard cast. Medical supply purchasers and DME providers sourcing Unna boot products for wound care clinics or home health programs will find the 4-inch width a standard size for lower leg applications.

Frequently Asked Questions

What is an Unna boot and how is it used?

An Unna boot is a zinc oxide-impregnated gauze bandage applied to the lower leg in a spiral wrap to provide sustained compression for venous leg ulcers, edema, and chronic venous insufficiency. After application, the bandage hardens slightly to form a semi-rigid compressive cast that maintains consistent pressure on the leg. It is typically changed weekly by a clinician and is often used as part of a multi-layer compression therapy system.

What does the zinc oxide and calamine coating do?

Zinc oxide has well-established skin-protective and mild antimicrobial properties, helping to protect the periwound skin from maceration and irritation during compression therapy. Calamine provides additional soothing properties for inflamed or irritated skin. Together, they create a skin-friendly environment under the compression bandage during the treatment period.

Is this product applied by a clinician or can it be self-applied?

Unna boots are typically applied by a trained clinician — a wound care nurse, physician, or advanced practice provider — as part of a structured wound care or compression therapy program. Self-application is not recommended, as improper application can result in inadequate compression or, conversely, excessive pressure that may compromise circulation.

How often is the Unna boot changed?

Unna boots are typically changed weekly, or more frequently if the dressing becomes saturated, soiled, or if the wound requires more frequent assessment. Always follow your clinician's specific instructions for dressing change frequency based on your wound and clinical status.