Adjustable BioThane® Martingale Dog Collar

Adjustable BioThane® Martingale Dog Collar

Secure Control with a Refined, Classic Look

The Adjustable BioThane Martingale Dog Collar blends everyday reliability with elevated style. Designed for dogs who benefit from gentle, controlled feedback without the feel of a full slip collar, this martingale offers security, comfort, and customization in one clean design.

Crafted from 1" Beta BioThane, this collar is waterproof, odor-resistant, and easy to maintain—built to handle daily walks, training sessions, and outdoor adventures with ease.

Beyond the Donation
Every Bolder K9 purchase supports our Beyond the Donation program, where we go beyond traditional giving by combining financial support with hands-on volunteer work for dogs and their people.
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Why This Martingale Works

Classic Martingale Design

• Provides added control without constant pressure

• Helps prevent backing out of the collar

• Ideal for training, walking, and dogs who slip standard collars

Premium BioThane Construction

• Made with 1" Beta BioThane

• Waterproof and odor-resistant

• Soft, flexible, and comfortable for daily wear

• Easy to clean and low maintenance

Stainless Steel Chain Options

Each collar features a stainless steel martingale chain, available in the following finishes:

• Black

• Rose Gold

• Gold

• Rainbow

• Silver

Adjustable, Custom Fit

• Adjustable design for comfort and security

• Ideal for growing dogs or multi-dog households

Custom size ranges are available upon request.

Color Customization

• Primary Color: Main collar body

• Secondary Color: Adjustable BioThane end

Sizing

Please refer to our sizing infographic to ensure the best fit.
👉 Measure your dog’s neck snug and allow room for two fingers.

The Adjustable BioThane Martingale Dog Collar is a dependable, stylish solution for handlers who want control, comfort, and a timeless look—built to perform without sacrificing aesthetics.