Ray-Ban RB3857 Unisex Square Metal Full-Rim Sunglasses The Ray-Ban RB3857 Unisex Sunglasses combine a contemporary square silhouette with a sleek full-rim metal construction for a refined everyday look. Designed for men and women, these sunglasses offer lightweight comfort, lasting durability, and signature Ray-Ban styling for versatile wear. • Authentic • Warranty • Easy Returns • Full specification and sizing available in the below tabs.