This 7eye Airshield Churada glasses are suitable for small to medium narrow faces, especially women, with low profile cheekbones and it has a thick eyecup for extra protection.With small, rectangular lenses the 7eye Airshield Churada is perfect for narrow faces, especially women. The Airshield eyecups create a snug fit that help shield the eyes from wind, dust and pollen. This helps reduce watering and relieves the soreness associated with dry eyes.The 7eye Airshield Churada gives one of the highest protection against side winds. The slim, flat earpieces are designed for maximum comfort and for suitability when wearing with a cycling or biking helmet.High quality 7eye SharpView lenses offer excellent vision and 100% UVA+UVB sun protection (even the clear ones). For more information on all the different non-prescription lens types we offer read our lens guide and if you need prescription lenses there is more information here.It has a removable Airshield eyecup that will need to be replaced from time to time. The length of time that an Airshield lasts varies depending on the regularity and type of use.Comes with a zip case and microfibre bag (can be used as a lens cloth).