Mango horizontal stripe midi dress in black and white ASOS Black Mini Dress with Horizontal Stripes and Pockets at Extremely Refined Boutique Riviera Sun Tie Dye Spaghetti Strap Maxi Dress (Black Dress with White Horizontal Lines, Medium) Walmart.com I remember one time someone told me they don't wear horizontal stripes, only vertical stripes because it's more slimming. So now every time I see a vertical striped dress, I always grab Petit Bateau Horizontal Stripe Cotton Dress White FARFETCH Urban Rugby Stripe Maxi Dress, White black Alembika U.S.