Socks by PS Paul Smith, Because the lost-sock struggle is real, Ribbed cuffs, All-over cheetah design. The diffusion line of the quintessentially British Paul Smith label, PS Paul Smith channels the same sophistication of the main line but with a playful, youthful exuberance. Expect contemporary, clean lines, soft tailoring and whimsical prints, all in keeping with Paul Smiths classics with a twist mantra.