Adjustable Sun Dress Blue Mantra. By Daughters of Culture. Our versatile Sun Dress is many looks in one: full coverage dress, a halter, cover up, you name it! Adjustable back ties allow you maximum versatility for the neckline and length. Flowing fabric gives freedom of movement, lets you experience the air and just feels so nice as you go about your day. Super easy beach cover up for a casual lunch date, post-sun glow, or dress it up with a light, long-length sweater or kimono for the office. 100% Rayon fabric Machine wash cold or hand wash; hang dry.