Shift dresses are easy to wear, they slip on in record time and are super fashionable. Designers from the 1960s invented the shift mini dress, usually it has a back zipper and an A-Line shape. Coming in all various fabrics and lengths it now has a more modern take with pleats and frills added onto sleeves and hemlines. Usually, it sits above the knee and can be worn with strappy heels or knee high boots for an on trend outfit.