Rex Specs Dog Goggles Product Description

• All lenses are interchangeable, spherical to ensure a full field of vision. 
• Lenses are Polycarbonate , UV 400 rated and protect  against 99.9% of UVA/UVB rays. Large size is  rated ANSI Z87.1 - 2010 for impact resistance.
• Dynamic strap system enables full jaw movement with a stable and secure fit.
• Rex Specs size Large goggles fit most - fits dogs 13-45KG depending on head shape. We recommend a strap extender if your dog's head is greater that 500mm around.
• Frame is fully vented for maximum air flow

How to Measure:

Measure underneath their chin from the soft part of their lower jaw and then around their head below their ears to the other side.