James Perse Slub Side Panel Button Front Shirt in White. - size 3 (M/L) (also in ) James Perse Slub Side Panel Button Front Shirt in White. - size 3 (M/L) (also in ) Self: 100% cottonContrast: 100% supima cotton. Button front closure. Ribbed contrast side panel. Chest flap pockets with button closures. JAME-WS816. WUA3042. James Perse started out by making the perfect baseball cap; film directors ordered hats for their cast and crew and record labels bought them for tours. In 1994 he launched a t-shirt line that rapidly gained loyal fans looking for a seamless blend of luxe and casual.?James personal design philosophy and aesthetic is low maintenance high fashion, emphasizing elegance and comfort, pairing sophistication with simplicity.