Navy Sheath Dresses by Theory Add to WardrobeRemove from Wardrobe FavoriteUnfavorite Shop It Outfits Sort by featured Sort by price: high to lowSort by price: low to high Theory Power Sheath Dress $251 $335 Theory Betty2b Stretch Wool Sheath Dress $295 Theory Eano Good Wool Sheath Dress $345 Theory Npra V Neck Crepe Dress $295 Theory Onine Oxford Knit Sheath Dress $295 Theory Betty2b Stretch Wool Sheath Dress $295 Theory Risbana New Stretch Wool Sheath Dress $335