A major chain of stores that's an integral part of the British way of life, it sells sturdy practical clothes, good-quality knitwear, and basic accessories, all at moderate, though not bargain-basement, prices. "Marks and Sparks," as it's popularly known, has never been renowned for its high style, though that's changing as it continues to bring in big-name designers to spice up its lines. Even famous footballer dad David Beckham has made a design contribution to childrenswear. Check out the Autograph line -- highly regarded by fashion writers. Whatever the latest moves, it is renowned for its underwear; the British all buy theirs here. The Marble Arch branch has the highest stock turnover of any shop in the land. Tube: Marble Arch.