Sizing Chart for Doggles

Doggles Dog

Eyewear Sizing Chart

Doggles or K9 Optix Size	Typical Size Dog (kg)	Back Strap and Length (cm)	Chin Strap Length (cm)	Actual Size (cm)
XX Small	0.5-2	10-25	6-13	2.0 x 2.5
X Small	1-4	13-33	8-17	2.5 x 3.2
Small	4-12	30-50	10-20	3.8 x 5.1
Medium	9-27	38-63	13-28	3.8 x 5.7
Large	22-41	46-76	15-38	3.8 x 6.4
Extra Large	41+	56-114	28-66	5.1 x 7.6

Back Strap and Frame Length: Measure the entire head circumference, across the eyes and around under the ears.

Chin Strap: Start just under one ear, under the chin, and back up to under the other ear (like a helmet strap).