TALL 14 J. Crew tie-waist cotton voile midi dress in NAVY. Model pic shows style - this dress is navy blue. Dress has two lightweight cotton components: a fitted cotton slip, and a lightweight button down tie-waist long sleeve layer. The pieces connect with a small tie-snap around the slip strap, and may be worn together or separately. Button down layer unbuttons completely and may be worn open. Style # AY873 Very versatile!