Dogistry × Fi Sweetheart 3+ Collar Band

Complete the Look

The harness has a match. The Dogistry × Fi Sweetheart 3+ Collar Band pairs seamlessly with the SoHo Sweetheart Harness for a head-to-tail coordinated look that’s equal parts luxurious and functional. Designed as a certified Fi Series 3+ compatible collar band, it brings Dogistry’s signature embroidery and rose gold hardware to your pup’s everyday accessory rotation — with the peace of mind of GPS-ready tracking built right in.

Luxury That Works as Hard as It Looks

This isn’t just a pretty collar. The reinforced stitching handles dogs up to 150+ lbs, the vegan suede lining keeps sensitive necks comfortable all day, and the certified Fi Series 3/3+ integration means your GPS tracker sits exactly where it should — every time.

The Details

• Certified Fi Partner — Built for flawless Fi Series 3/3+ integration, approved for proper contact and function
• Rose gold hardware with reinforced stitching — elegant control for dogs up to 150+ lbs
• Vegan suede lining — cloud-soft against your dog’s neck for all-day wear
• Signature Dogistry embroidery — the design DNA that makes it unmistakably premium
• Available in sizes S–XL

Please note: This product is a collar band only. The Fi GPS tracker device is not included — visit TryFi.com to learn more. Not compatible with Fi Series 1, 2, or Fi Mini. Collar bands may be exchanged for a different size but are not eligible for a refund.

Because every great outfit deserves the finishing touch.