The Tifosi Swick sunglasses Crimson/ Raven/ Smoke Yellow are based on the same family of technologies found on the Tifosi Swank glasses but comes in a slightly larger, squarer lens shape & a slightly bigger fit, so if you’ve got a wide head these are the ones to go for. The Swick glasses are also more curved so they fit more closely to your face, reducing the amount of glare & dust that will hit your eyes. The Tifosi Swick Sunglasses come with a durable Grilamid TR-90 frame, scratch-resistant polycarbonate lenses, hydrophilic rubber nosepiece, integrated cam-lock hinge & a textured Glide surface treatment on the arms so they will stay in place even when you are working very hard. Swick glasses include a microfibre cleaning pouch & presentation box. Features Grilamid TR-90 frame is lightweight & durable for all-day comfort. Hydrophilic rubber nose pieces provide a no-slip grip, so the more you perspire, the more they grip. Polycarbonate lenses are shatterproof, scratch-resistant & optically decentered for optimum clarity. An integrated cam-lock hinge creates a sleek & streamlined design. Tifosi Glide is a special rubberised finish on the arms, allowing them to slide on fast & provide a snug, anti-bounce fit for all activities. Fits M-XL face size 26 grams 100% protection from harmful UVA/UVB rays Lifetime Warranty against manufacturer defects