Look for UV400 protection, glare-reducing lenses, and a wraparound, helmet-friendly fit with good eye coverage to block wind and sun from all angles.

Key attributes are lens type (polarized or mirrored for glare), appropriate tint for bright conditions, UV protection, and a frame design that stays secure during activity and fits under a helmet.

Consider anti-fog coatings, lens interchangeability or photochromic lenses for changing light, venting to reduce fog, and durable, lightweight construction.

For bright days, choose polarized or mirrored lenses with full coverage and a snug wrap; for low-light conditions, opt for lighter tints or photochromic lenses; ensure helmet compatibility and secure retention.