Prada PR 15WS Black, Tortoise Prescription Sunglasses - 50 。Prada PR 15WS sunglasses in color code 3890A7, Black / Medium Tortoise. This Painted in Prada design features shimmering opal tones with a color-inside-color effect for a distinctive, elevated look. Crafted in Italy from acetate and paired with grey gradient lenses for refined everyday wear. Key details Brand: Prada Style: PR 15WS Model code: 3890A7 Made in Italy Frame color: Black / Medium Tortoise Frame material: Acetate Frame shape: Rectangle Lens color: Grey Gradient Lens material: Polyamide Lens technology: Gradient Size: 54–19