Rubber sole Vulcanized Rubber Canvas Plimsole With an extra strong, fully breathable pure cotton upper the timeless 2750 is a lightweight, simple canvas tennis shoe with vulcanised rubber sole. In production since 1911, this is a shoe you can genuinely dress up or dress down. Machine wash at 30 degrees with neutral soap and they'll age perfectly, just like your favourite pair of jeans. Premium Canvas Uppers. Vulcanised Gum Sole / white sidewall. Superga Tab on Side and Heel. Superga Embossed Eyelets.