Realsauna Sauna Suit Unique Realsauna Sauna Suit. The professional grade! The suit that makes all other sauna suits OBSOLET! (Important: Remember to contact the seller to specify the size to ship to you). Realsauna sauna is available in "Real" Sizes such as: S/M, L/XL, 2XL, 3XL, 4XL.