DESIGN: Semi-rimless shield design; FRAME MATERIAL: Durable, lightweight O Matter™ frame material; REDUCE BOUNCING: Unobtainium® sport ligature nose pad designed to reduce bobbing bouncing with a no-slip grip; NO-SLIP GRIP: Unobtainium® ear socks provide a no-slip grip when wet to help increase retention; SEE MORE DETAILS - Prizm™ Lens Technology is engineered to enhance color and contrast to see more detail; 100% UVA/UVB protection; Made in USA