
| Doggles Style | Typical Size Dog (in pounds) | Back Strap | Chin Strap Length | Actual Lens Size |
| Extra Small | 1-10 | 5"-13" | 3"-7" | 1" High x 1.25" Wide |
| Small | 9-25 | 12"-20" | 4"-8" | 1.5" High x 2" Wide |
| Medium | 15-60 | 15"-25" | 5"-11" | 1.5" High x 2.25" Wide |
| Large | 45 & Up | 8"-30" | 6"-15" | 1.5" High x 2.5" Wide |
|
Chin Strap: Start just under one ear, under the chin, and back up to the other ear (like a helmet strap). |