Midi dress by Oasis, It's everything you've been scrolling for, V-neck, Spot print, Self-tie waist belt, Frilled edges, Regular fit, Just select your usual size. Opening its first store in 1991, Oasis has gone on to become one of Britain's most popular high-street brands. Expect vibrant prints and plenty of colour across a collection of dresses, tops and tailoring, plus bags and shoes for all your accessory needs - the add-to-bag potential is real.