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Waterproof BioThane FI collar in magenta and caramel
Amethyst and passion fruit-compatible quick-release dog collar with brass hardware, featuring a black 'fi' GPS on a white background.
Dog wearing Fi Series 3 compatible waterproof BioThane collar outdoors
A yellow fi-compatible quick-release dog collar with a matte black buckle and a fi GPS device attached, placed on a rock.
Magenta and caramel dog collar in 1 inch width with quick-release collar and a fi GPS on a white background
Close-up of Fi Series 3 collar showing over-the-band design
Vivid Canine BioThane® material benefits - waterproof vs leather comparison
Vivid Canine Waterproof BioThane® buckle dog collar sizing guide
Vivid Canine BioThane® color chart showing all available color options for BioThane® Gear
Vivid Canine BioThane® color chart showing all available color options for BioThane® Gear
Vivid Canine BioThane® dog gear production and shipping timeline schedule

Fi Series 3 Compatible - BioThane® Waterproof Fixed Quick Release Collar

Regular price $55.00 USD
Shipping calculated at checkout.

FREE SHIPPING on orders $60+ (USA)
$5 flat rate on orders under $60

Loved by Dogs. Trusted by Owners.

We offer 30-day returns. View Our Return Policy →

Find the Right Fit for Your Dog

Keep your adventurous dog safe and stylish with our premium BioThane® waterproof collar designed specifically for Fi Series 3 and 3+ devices. This fixed-size collar combines durability with convenience for active dogs who love outdoor adventures.

Rated 4.98/5 stars by Fi owners

Key Features:

  • Fi Series 3/3+ Compatible
    • Works seamlessly with your Fi tracking device
  • Fi Series 3/3+ optimized design
    • Stress-Free Over-The-Band Style
  • 100% Waterproof BioThane® Material
    • Beach days, muddy trails, wet weather—nothing slows you down
  • Odor-Resistant: No wet-dog smell. Resists most common pet and outdoor odors.
  • Fi Link hardware: Provided by Fi and is available in Matte Black
  • Quick Release Buckle
    • Easy on/off design for convenience and safety
  • Fixed Sizing
    • No adjustment needed once you find the perfect fit
  • Easy to Clean – Rinse with water, wipe clean, and dry
  • Durable Construction
    • Built to withstand daily wear and outdoor activities
  • Made in the USA – Proudly handcrafted with premium materials

Fi Series 3/3+ Compatibility Guarantee - Tested specifically with Fi Series 3/3+ devices for perfect fit and function.

Why Choose BioThane®?

Unlike leather or nylon collars, BioThane® stays flexible in all weather conditions, won't crack or fade, and maintains its vibrant color even after years of use. It's the perfect material for dogs who swim, hike, or play in muddy conditions.

Perfect for: Active dogs, water activities, hiking, daily walks, and any adventure where you need reliable Fi tracking with a collar that can keep up.

Need help with sizing or color choices? Contact us - we're happy to help!

Crafted with Care in the USA

Every collar is handcrafted with attention to detail using genuine BioThane® and quality hardware built to handle whatever your dog throws at it.

Our products are crafted for durability and everyday adventure. They should be matched to your dog's size and activity level. They are not rated to specific pull or load thresholds, so selecting the right product for your dog is key.

Gear Up for Every Adventure.

The Fi device is sold separately. Use code VIVID20 to save $20 off your Fi Series 3/3+ activation at www.tryfi.com

• Genuine Beta 520 Standard BioThane®

• Fi Series 3/3+ compatible

• Over-the-band style (Fi device connects to the collar with links provided by Fi and is placed over the BioThane collar band, which allows for the collar to remain intact should the Fi device become detached from the collar. Unlike an inline style, which connects the collar with the Fi device itself.

• Machine riveted with solid brass hardware / matte black hardware

• Metal Safe Lock Buckle - Matte Black Zinc Alloy


Due to lighting and monitor differences, actual colors may vary slightly from what appears online.

This collar is a fixed size and is not adjustable. To choose the best collar size for your dog, we always recommend measuring your dog's actual neck size (where your dog's collar naturally sits). We do not recommend using your dog's current collar to obtain a neck measurement, as hardware, collar material, and thickness vary by each collar. If you are unsure about what collar size to choose, send us a message to info@vividcanine.com and we'd be happy to help! If you would like a size that is not currently in the options, send us a message or leave a note at checkout and we'll be happy to accommodate you!

We recommend washing your BioThane® gear by hand with mild soap and water, and then drying it with a soft cloth. Please keep in mind that brass hardware will naturally tarnish (develop a patina) over time; regularly polishing or cleaning the hardware will help minimize this process. Our nickel-plated, chrome-plated, and matte black hardware may show wear and tear over time; however, this is normal and does not compromise the hardware's integrity. To clean your hardware, we recommend washing it with mild soap and water, then drying it with a soft cloth.

Important Note: Please ensure that all hardware is thoroughly dried after use in any water, especially salt water. This will help to prevent the hardware from rusting.
While BioThane® is incredibly versatile and repels most dirt and grime, please note that it is not completely stain-proof in all circumstances. Regular cleaning is recommended to keep your BioThane® gear looking new.

Not all BioThane® is created equal; we use only Genuine BioThane® on every leash and collar we make.

BioThane® is a polymer-coated webbing that performs like leather without the drawbacks. It's waterproof, won't mold or mildew, and resists most common pet and outdoor odors. A quick rinse is all it takes to clean. BioThane® is manufactured in the USA.

While BioThane® repels most dirt and grime, it is not completely stain-proof in all circumstances. Regular cleaning with mild soap and water will keep your gear looking its best.

Fi Series 3 Compatible - BioThane® Waterproof Fixed Quick Release Collar

$55.00 USD
⚠️ Fi 3/3+ GPS device sold separately. Use code VIVID20 to save $20 on Fi Series 3/3+ activation at tryfi.com

Need a Fi 3+ GPS? Shop our Fi 3+ GPS Sets — collar + Fi device + subscription bundled together.

Fi tracks the adventure. Vivid Canine is built for it.

Why Vivid Canine & Fi?

Fi tracks every adventure — Vivid Canine gear is built to handle them. We use only Genuine BioThane®, a USA-made, polymer-coated webbing that's waterproof, durable, and easy to clean. It rinses off in seconds and resists most common pet and outdoor odors. Our collars and leashes are handcrafted in the USA to work seamlessly with the Fi Series 3/3+ GPS tracker — tough enough for every trail, swim, and muddy romp.

BioThane® Collars FAQ

Will this collar work with my Fi Series 3/3+ tracker?

Yes, this collar is specifically designed to be compatible with the Fi Series 3 and Series 3+ GPS tracker. The Fi links are sized to fit the Fi band securely so your tracker stays in place on every adventure.

Do I need to remove the collar to charge my Fi tracker?

It depends on your collar style. With our buckle and quick-release collars, simply remove the Fi tracker to charge it, or remove the collar entirely — whichever you prefer. With our inline collar, remove the collar and place it directly on the Fi charger.



Does BioThane interfere with the Fi GPS signal?

No, BioThane® is a non-metallic material and does not interfere with your Fi tracker's GPS or cellular signal. Your tracker will perform exactly as intended.

Which hardware finish should I choose?

Solid Brass stays looking like new with regular cleaning. Silver (Nickel-Plated) and Matte Black (Zinc Alloy) buckles are plated finishes that stay sharp with minimal upkeep. Nickel-Plated and Matte Black buckles are lighter weight. Heavy use on plated finishes may affect appearance over time, but won't impact performance. Rinse and dry all hardware thoroughly after any exposure to water.

Are BioThane collars waterproof?

Yes, 100% waterproof. Won't absorb water, perfect for water adventures. Just rinse and wipe dry.


How do I find the right size?

Measure your dog's neck at the base with a flexible tape. You should be able to slip 1–2 fingers comfortably between the collar and your dog's neck. If your dog is between sizes, size up. For buckle collars, choose a range where your measurement falls near the middle. Not sure? Visit our Size Guide for help choosing the right size, or email us at info@vividcanine.com before placing your order.





Do I need to condition BioThane?

No conditioning needed. The material stays flexible without any special treatments.

The Vivid Canine Difference

Genuine BioThane®

Waterproof. Easy to clean. Adventure-ready.

Built to Last

Durable products for active dogs.

Lifetime Guarantee

We stand behind every product.

Made in the USA

Crafted with care, built to last.

Gear Up: Collar to Leash

Complete the Set