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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

$105.73

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

$14.10

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. Please note, Slide on ID Tags are not compatible with this collar design. 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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