Lilly Pulitzer UPF 50+ SOPHIE DRESS-Worn Once Crew Blue Tint Kaleidoscope Coral The UPF 50+ Sophie Dress is a fan favorite for its classic styling. The straight fit, gold button details, and flattering boat neckline make this a dress we turn to for just about everything under the sun (literally)! UPF 50+ Straight Fit Dress With Boat Neckline And Gold Button Detail At Shoulder And Cuff. Solsafe ™ (93% Rayon, 7% Spandex) - A Machine Washable Fabrication That Helps Protect You From Harmful UVA And UVB Rays With A UPF 50+ Rating. Solsafe Is A Knit With A High Twist Yarn That Gives A Cotton-Like Hand To The Fabric. It Has A Sophisticated Matte Appearance And Takes Color And Prints Fabulously. · Machine Wash Cold. Delicate Cycle.