The Blue Round Neck Floral Slit Midi Dress & Reviews Blue Dresses stripe one shoulder midi dress perfect for transitioning into fall Blue One Shoulder Slit Evening Dresses With Cascading Ruffles Missacc Blue One Shoulder Slit Evening Dresses With Cascading Ruffles Missacc. Introducing our newest and most flattering One Shoulder Slit MIDI Dress! This saucey little number is perfect for summer days and hot summer nights. With a flirty slit up the side and a one shoulder design, this dress is sure to turn heads. Made with our softest and most lightweight fabric, you'll stay cool and comfortable all day long. Add this must have to your cart now! Gentle Dry Clean Only Colour may vary due to lighting on images. The product images (without model) are closest to the true colour of the product. Item runs true to size chart and is cut to suit our size chart. Please refer to our size chart for the best fit. Do not size up or down.