Fi Series 3+ Dog Collars | Fi Included

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Spring Floral Fi Series 3+ Personalized Dog Collar
From $135.00
Beach Stripe Fi Series 3+ Personalized Dog Collar
From $135.00
Blue & Green Plaid Fi Series 3+ Personalized Dog Collar
From $135.00
Charcoal Tartan Fi Series 3+ Personalized Dog Collar
From $135.00
Blue Abstract Fi Series 3+ Personalized Dog Collar
From $135.00
Watercolor Fi Series 3+ Personalized Dog Collar
From $135.00
Thanksgiving Turkies Series 3+ Personalized Dog Collar
From $135.00
Watercolor Daisies Series 3+ Personalized Dog Collar
From $135.00
Preppy Plaid Series 3+ Personalized Dog Collar
From $135.00
Halloween Plaid Series 3+ Personalized Dog Collar
From $135.00
Leaves & Acorns Series 3+ Personalized Dog Collar
From $135.00
Boo Fi Series 3+ Personalized Dog Collar
From $135.00
Jack-O-Lanterns Fi Series 3+ Personalized Dog Collar
From $135.00
Fall Leaves Fi Series 3+ Personalized Dog Collar
From $135.00
Cute Ghosts Fi Series 3+ Personalized Dog Collar
From $135.00
Halloween Bats & Bones Fi Series 3+ Personalized Dog Collar
From $135.00
Pumpkins & Ghosts On My Fi Series 3+ Personalized Dog Collar
From $135.00
Hunting Camo Fi Series 3+ Personalized Dog Collar
From $135.00
Gingham & Pumpkins Fi Series 3+ Personalized Dog Collar
From $135.00
Pumpkins & Bows Fi Series 3+ Personalized Dog Collar
From $135.00
Aqua Halloween Fi Series 3+ Personalized Dog Collar
From $135.00
Purple Ghosts Fi Series 3+ Personalized Dog Collar
From $135.00
Blue Herringbone Fi Series 3+ Personalized Dog Collar
From $135.00
Patriotic Floral Fi Series 3+ Personalized Dog Collar
From $135.00
Hearts Fi Series 3+ Personalized Dog Collar
From $135.00
Pink Houndstooth Fi Series 3+ Personalized Dog Collar
From $135.00
Valentine's Plaid Fi Series 3+ Personalized Dog Collar
From $135.00
Lucky Dog Fi Series 3+ Personalized Dog Collar
From $135.00
Irish Girl Fi Series 3+ Personalized Dog Collar
From $135.00
Shamrock Fi Series 3+ Personalized Dog Collar
From $135.00
Mallard Fi Series 3+ Personalized Dog Collar
From $135.00
Gingerbread Fi Series 3+ Personalized Dog Collar
From $135.00
Stewart Plaid Fi Series 3+ Personalized Dog Collar
From $135.00
Christmas Check Fi Series 3+ Personalized Dog Collar
From $135.00
Gingerbread Fi Series 3+ Personalized Dog Collar
From $135.00
Christmas Sweater Fi Series 3+ Personalized Dog Collar
From $135.00
Christmas Fi Series 3+ Personalized Dog Collar
From $135.00
Candy Cane Fi Series 3+ Personalized Dog Collar
From $135.00
Snow Princess Fi Series 3+ Personalized Dog Collar
From $135.00
Christmas Bows Fi Series 3+ Personalized Dog Collar
From $135.00
Christmas Lights Fi Series 3+ Personalized Dog Collar
From $135.00
Tartan Fi Series 3+ Personalized Dog Collar
From $135.00
Silly Goose Fi Series 3+ Personalized Dog Collar
From $135.00
Fall Floral Fi Series 3+ Personalized Dog Collar
From $135.00
Footballs & Pumpkins Fi Series 3+ Personalized Dog Collar
From $135.00
Jack-O-Lantern Fi Series 3+ Personalized Dog Collar
From $135.00
Silly Squash Fi Series 3+ Personalized Dog Collar
From $135.00
Fall Gingham Fi Series 3+ Personalized Dog Collar
From $135.00

Duke & Fox® Fi Series 3+ GPS Dog Collar

Handmade in the USA, the Duke & Fox® Fi Series 3 Dog Collar combines premium craftsmanship with industry-leading GPS technology, giving your dog the perfect blend of style, comfort, and safety.

Every collar includes a Fi Series 3+ GPS Smart Dog Tracker and a 6-month Fi Membership, so your dog is protected from day one. Through the Fi app, you'll have access to real-time GPS tracking, escape alerts, activity monitoring, sleep tracking, and location history, helping you stay connected whether your pup is relaxing at home or exploring on their next adventure. The included membership unlocks Fi's live tracking, Lost Dog Mode, Safe Zone alerts, and detailed activity insights.

Each Duke & Fox® collar is handcrafted to order using premium materials and is designed specifically to integrate with the Fi Series 3+ GPS tracker. Unlike mass-produced collars, every collar is made with attention to detail and built to withstand everyday adventures while showcasing your dog's unique personality.

Customize your collar with your choice of:

  • Exclusive Duke & Fox® fabric patterns

  • Buckle style

  • Optional embroidery or engraved buckle personalization

  • Thread color and font (where applicable)

Whether you choose an embroidered dog collar or an engraved buckle collar, you'll enjoy a collar that's as functional as it is beautiful. Personalized options add an extra layer of protection by displaying your dog's name and contact information, making it easier for someone to help reunite you if your dog ever gets lost.

Features

  • Handmade in the USA

  • Includes Fi Series 3 GPS Smart Dog Tracker

  • Includes a 6-month Fi Membership

  • Real-time GPS location tracking through the Fi app

  • Live Lost Dog Mode and Safe Zone escape alerts

  • Activity, walk, and sleep tracking

  • Durable premium nylon/polypropylene webbing

  • Reinforced designer cotton fabric

  • Heavy-duty side-release buckle

  • Welded D-ring for secure leash attachment

  • Adjustable for a comfortable fit

  • Made to order just for your dog

Complete the look with our coordinating leashes, bow ties, flowers, and bandanas, all handcrafted to match your Duke & Fox® collar.

Because every adventure deserves a collar that's built to last—and smart enough to help bring your best friend home.