Founders Batch application

Apply for the first Relay Harness run. We check experience, compatibility, and fit. Not a reservation.

Measure your dog. Choose by fit.

Have your dog’s chest and neck measurements ready for your setup review.

View size guide

Chest girth: Measure around the widest part of your dog’s chest, just behind the front legs.

Neck girth: Measure around the base of your dog’s neck, where the harness sits.

Relay Harness size guide
SizeChest girthNeck girth
S20–31 in14–21 in
M22–33 in16–22 in
L24–37 in18–29 in
XL26–42 in20–31 in

Between sizes? Send us your dog’s chest and neck measurements before ordering.

We’ll confirm fit and available sizes during your setup review. Ask for sizing help

Dawg-Tec Relay Harness size guide with chest and neck measurements for S, M, L and XL
Open the full-size guide

Need help with your application?

If the form does not appear, contact Dawg-Tec for help accessing it. Contacting support does not submit an application.

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