1. Consider the activity you'll be doing. Different sports require different levels of eye protection. If you'll be running or cycling, you'll need a lighter pair of sunglasses that won't slip or fall off. If you'll be playing a contact sport like hockey or football, you'll need a sturdier pair that can withstand more impact.
2. Make sure the sunglasses fit well. A good fit is important for any pair of sunglasses, but it's especially important for sports sunglasses. They need to stay in place, even when you're sweating or moving around a lot.
3. Choose the right lens. There are many types of lenses available, each with its own benefits. For example, polarized lenses reduce glare and make it easier to see in bright conditions. Mirrored lenses can help reduce the amount of light that enters your eyes.
4. Don't forget about style. Just because you're looking for functional sunglasses doesn't mean you have to sacrifice style. There are various styles of sports sunglasses available, so you can find a pair that looks good and performs well.