ILS-Medium. Side air vents; very flexible, wrap around foam padded frame; anti-fog, shatterproof, 100% UV protection, interchangeable capable lenses; two adjustable soft elastic head and chin straps. Deeper lens cup than the Originalz Small size.
All lengths are measured in inches.
How to measure your dog: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).
| Please review our sizing charts for fit and size information. |
| Eyewear | Typical Size Dog | Head Strap & Frame | Chin Strap | Breed example |
| XS | 1 - 10 lbs | 5 - 13 in | 3 - 7 in | Chihuahua, Pom |
| Small | 9 - 25 lbs | 12 - 20 in | 4 - 8 in | Beagle, Westie |
| Medium | 20 - 60 lbs | 15 - 25 in | 5 - 11 in | Dalmation, Border Collie |
| Large | 50 - 100 lbs | 18 - 30 in | 6 - 15 in | German Shepherd, Labrador Retriever |
| XL | 100+ lbs | 22 - 45 in | 11 - 26 in | Large Rottweiler, St. Bernard |
