Awesome FREE PEOPLE FP Beach MAUVE RIO SWEATER MAXI DRESS, Sz Medium.. New without Tags. A true effortless essential, this goes-with-anything maxi dress is featured in a timeless, strapless silhouette and stunning knit sweater fabrication to add the perfect touch of texture to any look. Fitted strapless knit sweater maxi dress with slit in back. Cotton blend. Hand washable.