Riller & Fount X REVOLVE Lyle One Shoulder Dress in Black. - size 1 / S (also in ) Riller & Fount X REVOLVE Lyle One Shoulder Dress in Black. - size 1 / S (also in ) 95% cotton 5% spandex. Dry clean only. Unlined. RILL-WD643. SM17 LYMN. Back to basics this fall with Riller & Fount. Simple silhouettes and dramatic colors are perfect for any season.