The Sinner Blanc sunglasses are made for the great outdoors! They have features that provide both comfort and durability. The rubber nose pads and temple tips provide a comfortable and secure fit, while the anti-slip temple tips ensure the sunglasses stay in place during fast-paced activity. The integral steel screw hinges provide added durability, which is important for sports sunglasses that may be subjected to wear and tear.The SINTEC polarised lenses offer category 3 protection, which means they are designed to reduce glare and provide good visual clarity in bright sunlight. Additionally, the lenses offer 100% UV protection, which is essential for protecting the eyes from harmful UV radiation.It's worth noting that the sunglasses are also nickel-free, which is important for people with nickel allergies. Overall, the SINNER BLANC sport style sunglasses seem to be a solid choice for people who enjoy outdoor activities and want a durable, comfortable, and protective pair of sunglasses.SINNER SPORTSTYLE SUNGLASSES WITH SINTEC Polarised LENSRubber nose pad and temple tips100% UV protectionRubber anti slip temple tipsIntegral steel screw hingesNickel freeWidth Glass- 60 mmHeight- 39 mmLength Temple- 130 mmLens Category- Cat. 3Lens Technics- Polarised SINTEC lensNose bridge- 20 mm