Cycling Glasses

Cycling glasses, also known as sports glasses or cycling eyewear, protect your eyes on every ride against wind, insects, road spray and glare from bright sunlight. They do more than just shield: the right lens improves contrast on the road surface, filters reflections from low-angle sunlight and helps you spot ridges and elevation changes earlier. That gives you more comfort and safety, whether you are on a sunny afternoon training ride or an early morning outing in fog or overcast conditions.

In this range you will find cycling glasses with three lens technologies: standard PC lenses (polycarbonate) for everyday use, photochromic lenses that automatically tint to match the available light and MLC mirrored lenses that reflect intense sunlight and reduce glare. Which type suits you best depends on when you ride and how quickly the light changes during your rides. Pair your cycling glasses with a matching cycling helmet for complete protection on the bike.

Which cycling glasses suit you?

The best choice depends on when you ride, how quickly the light changes during your rides and which fit suits your face.

You never want to think about which lens to put on: choose cycling glasses with photochromic lenses. These react automatically to UV light and darken in bright sunshine and lighten in cloud or shade. Ideal for longer rides where lighting conditions change several times, such as during training in spring and autumn or on variably cloudy summer days.

You ride mainly in clear, sunny weather: a model with MLC mirrored lenses is the most straightforward choice. Mirrored lenses reflect prominent glare, sharpen contrast and give the glasses a distinctly sporty appearance. The strongest choice under blue skies, less suitable for grey or overcast conditions.

You are looking for an entry-level sports glasses for cycling: a model with standard PC lenses in smoke or smoke-blue suits most lighting conditions and forms an affordable starting point for cyclists and triathletes buying their first cycling glasses. Wide choice of colours and frame variants.

You ride mountain bike on rough or off-road terrain: choose a well-fitting sports glasses with anti-grip rubbers on the nose and temples, so the glasses stay in place even on a vibrating trail. Combine your glasses with cycling gloves for full protection of hands and eyes on technical terrain.

You have a narrower or smaller face: choose a model in the "small" size. That frame fits closer to the face, prevents rattling at high speed and provides a more stable fit for athletes for whom standard glasses are too wide.

Which lens do you choose: PC, photochromic or MLC?

PC lenses are the most universal choice: light in weight, scratch-resistant and available in a wide range of tints. They have a fixed colour and are best suited to stable lighting conditions, such as a sunny afternoon ride or a race in clear weather. Photochromic lenses are the most autonomous option: they react to UV light and switch from light to dark without any action on your part. They perform best on rides where the light changes several times, but have a limited reaction speed with abrupt changes in light, such as a short tunnel passage. MLC lenses combine a mirrored exterior coating with a clear view from the inside. They reflect intense sunlight most efficiently and are the strongest choice under blue skies and hard sunshine, but less suitable for grey or rainy weather. If you ride year-round at varying times of day, a photochromic model is the most versatile long-term investment.

What to look for when buying cycling glasses?

Lens technology and tints

The lens technology determines the lighting conditions in which you get the most out of your glasses. Beyond the choice between PC, photochromic and MLC, the tint also plays a role. Smoke lenses are the most neutral choice for daily use in cloudy to sunny weather. Yellow lenses improve contrast in low or diffuse light and are popular for early morning training sessions and misty weather. Clear lenses suit night riding or heavy cloud cover. With photochromic lenses, pay attention to the adaptation range: glasses that respond from category 1 to 3 offer a wider usability window than a model that only switches from 2 to 3.

Ventilation

Fogging lenses are the most common complaint with sports glasses. Good ventilation is achieved via channels or foam material at the top and bottom of the frame that promote airflow and limit condensation. Athletes who ride uphill, sweat heavily during exercise or train in humid conditions benefit most from well-ventilated glasses. At high riding speeds ventilation is less of a factor, because the wind generated by cycling already provides sufficient airflow past the lenses.

Fit and grip

Cycling glasses must stay firmly in place, even on a wet descent or a vibrating mountain bike trail. Adjustable nose pads and temples with anti-grip rubbers ensure the glasses do not slip or bounce up and down when moving your head. Athletes with a narrower or smaller face choose a model in the "small" size for a closer, more stable fit.

UV protection

All cycling glasses in this range offer UV400 protection, the European standard that filters all ultraviolet radiation up to 400 nanometres. This applies to the lighter and clear lens options too. UV400 protection is not a distinguishing selection criterion but a baseline quality that every pair of glasses here has as standard, and which is relevant even in cloudy weather, because UV radiation penetrates cloud cover.

Our advice: when choosing, think not only about sunny summer weather but also about autumn and the early mornings when you train most. If you ride year-round at varying times, a photochromic model is the most versatile choice. If you almost always ride in daylight and sunshine, a model with MLC lenses is the sharpest option.

Who are cycling glasses suitable for?

• Cyclists and triathletes who train regularly on a road bike or time-trial bike and want optimal vision in changing lighting conditions. Also browse the rest of the cycling clothing for a complete kit on the bike.
• Mountain bikers for whom a securely fitting glasses with anti-grip rubbers is essential because of mud, twigs and gravel on unpaved trails at speed.
• Touring cyclists and long-distance riders troubled by glare from low-angle sunlight or reflections on wet road surfaces, who benefit from a lens that improves contrast.
• Athletes with a narrower or smaller face who experience a poor fit or pressure points with standard frames and are looking for a more compact "small" variant.
• Beginners buying their first sports glasses for cycling who want to start with a versatile entry-level model with PC lenses in multiple tints so they can experiment before investing in a photochromic or MLC model.

Need help choosing?

Would you like to buy cycling glasses but are not quite sure which pair best matches your wishes and needs? We are happy to help with all your questions. You can reach our triathlon specialists by phone at +31 (0)413-256800, send an email or visit our triathlon store in Volkel, the Netherlands.

Frequently asked questions about cycling glasses

What is the difference between cycling glasses with PC lenses and photochromic lenses?

PC lenses have a fixed tint and are best suited to stable lighting conditions, such as a sunny afternoon ride. They are light, virtually unbreakable and affordable. Photochromic lenses react to UV light and automatically darken in sunny weather and lighten in cloud or shade. That makes them more versatile for rides where lighting conditions change several times, such as early in the morning or during training in spring and autumn. The downside of photochromic lenses is a limited reaction speed with abrupt changes in light, for example during a short tunnel passage or a sudden patch of shadow.

How do I prevent my cycling glasses from fogging up?

Fogged lenses occur when warm, moist air reaches the cool inner surface of the lens. Most cycling glasses in this range have ventilation channels or foam material that counteract this by promoting constant airflow. Never touch the inside of the lenses with your fingers, as greasy fingerprints increase the chance of moisture adhering. In cold and damp conditions, an anti-fog spray applied to the inside helps. On uphill sections or at low riding speeds you suffer most from condensation: at those moments, glasses with generous ventilation openings are the best choice.

What does MLC mean on cycling glasses?

MLC stands for Multi-Layer Coating and refers to a mirrored multi-layer coating on the outside of the lens. That coating reflects part of the incoming light, reduces glare in bright sunshine and gives the lens a distinctly mirrored appearance. MLC lenses are most effective in clear, sunny weather and are a popular choice for cyclists and triathletes who want to filter strong sunlight optimally. In grey or overcast weather conditions they offer less advantage than a clear or lightly tinted lens, but they remain functional for everyday use.

How does a cycling glasses differ from regular sunglasses?

Sports glasses for cycling differ from regular sunglasses on several points. The frame provides more wraparound coverage around the eye, keeping out wind, insects and gravel from the sides. The lenses are almost always made of polycarbonate, which is impact-resistant and does not shatter into sharp fragments like tempered glass in the event of a crash. The temples are fitted with anti-grip rubbers that prevent the glasses from slipping when moving your head or at high riding speeds. Finally, cycling glasses are generally lighter in weight than regular sunglasses and the lenses are tuned to the colour spectrum of an outdoor sports environment, not urban use.

Which lens tint do I choose for which weather?

Smoke lenses are the most versatile choice: they suit clear to lightly overcast weather and are the standard lens on most cycling glasses. Yellow lenses improve contrast in low light, fog and cloud and are popular for early morning training sessions and autumn weather. Clear lenses are intended for night riding or heavy cloud cover where you want as little light loss as possible. MLC mirrored lenses are strongest in bright sunshine and blue skies. Photochromic lenses regulate themselves automatically and are the most practical choice if you do not want to think about which lens best suits the weather conditions of the day.