Plus-size jeans by Oasis, A fail-safe pair, High rise, Zip fly, Five pockets, Skinny fit, A tight cut for a sleek shape. Opening its first store in 1991, Oasis has gone on to become one of Britains 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.