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Check out these collections.

All BioThane Products
blue and yellow Biothane dog collar for the Fi Series 3 in the Sport Integrated Design
lime green Biothane dog collar for the Fi Series 3 in the Sport Integrated Design
Fi Series 3/3+ BioThane Collar - Sport Integrated Design
Fi Series 3/3+ BioThane Collar - Sport Integrated Design
dark blue and coral Biothane dog collar for the Fi Series 3 in the Sport Integrated Design
blue and yellow Biothane dog collar for the Fi Series 3 in the Sport Integrated Design laying flat
Collar size chart with size categories and fit ranges on a white background
Unclipped sport collar with Fi tracking unit attached on white background and the key features outlined
eight biothane color samples from the core collection - chili red, persimmon, flamingo, poppy, goldenrod, green apple, sage, & forest green
eight biothane color samples from the core collection - teal, ocean, blueberry, lavender, violet, plum, caramel, & black
eight biothane color samples from the seasonal color collection - red, coral, bluebird, granite, magenta, periwinkle, midnight & olive
graphic showing Fi Series 3 BioThane Dog Collar Styles
blue and yellow Biothane dog collar for the Fi Series 3 in the Sport Integrated Design
Bestseller

Fi Series 3/3+ BioThane Collar - Sport Integrated Design

$60.00

Adventure-ready collar with quick release Duraflex® buckle and seamless Fi Series 3/3+ integration (unit sold separately).

Solid Brass Sport (Quick Release Buckle)

Make mine two-tone

$8.00

Choose an accent colorChili Red
Limited Edition

WATERPROOF

STINK PROOF

EASY TO CLEAN

LIFETIME GUARANTEE

Fi Compatible BioThane Collar - Secure, Streamlined, and Adventure-Ready

Adventure with total peace of mind. Our Fi Compatible BioThane Collar is designed to integrate seamlessly with the Fi Series 3/3+ GPS tracking unit (sold separately), giving you real-time location data, activity tracking, and unmatched durability in one sleek package.

Why you’ll love it:

  • Integrated design  The Fi unit is built directly into the collar for a clean, streamlined look

  • Made with genuine BioThane® - waterproof, stink-proof, and easy to clean after any adventure

  • Strong Duraflex® - quick release buckle - lightweight, flexible, and comfortable for everyday wear

  • Custom design options - choose from single-color or bold two-tone designs (15+ color options)

  • Lifetime guarantee - backed for life against defects in materials or workmanship

The Fi Series 3/3+ unit offers extra-long battery life, GPS + satellite tracking, and health insights. This unit is sold separately at tryfi.com and is not included with the purchase of this collar. With this collar, you get a secure fit, no jingle, and total confidence that your pup is safe - wherever your adventures take you.

FEATURED PET GALLERY

Frequently Asked Questions

ABOUT US

We are a woman-run team of positive dog reinforcement professionals on a mission to help dogs and their guardians live their best lives together. Our goal is to help enhance the dog-human bond through products that prioritize connection, safety, and comfort over control.

Read Our Story

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