The "Crescendo" sunglasses by Barton Perreira builds in layers. Its bold silhouette, sculpted through precision beveling and rich acetate laminations, plays with depth and transparency. Every angle of the frame pulses with visual rhythm. Designed for those who appreciate substance beneath simplicity, Crescendo is a beautiful combination of color, contour, and considered construction.; Lens/bridge/temple (in mm):50.5-19-145; Square frames; Gradient lenses with anti-reflective coating; Fixed nose pads; Wide, tapered arms; Acetate; 100% UVA/UVB protection; Made in Japan