JCrew Belted Bi-stretch Cotton Dress Floral Border Size 4 Sheath silhouette. 18 “ pit to pit 39” length Product details: A classic sheath silhouette that embodies pretty much everything we want to be from summer to fall: calm, cool and collected. Crafted in our customer-favorite easy-to-move-in bi-stretch cotton, with a pretty floral hem and a covered belt, this one has staple status written all over it. Cotton/elastane Back zip Lined Machine wash