A piece of cloth symbolizing the tribe the contestant is on.
A Buff is an item of clothing that the contestants of Survivor wear to identify which tribe they are a member of for the audience.
A spandex tube which can be worn in a variety of ways, it is made of a microfiber which allows the contestants to cool down in hot conditions and warm up in the cold (typically nighttime). According to the Survivor Rulebook, contestants must have their buffs on at all times unless otherwise directed.
Replica buffs can be purchased from CBS.com or the official shop.
Based on the motif of the season, the buffs typically match and follow a particular design regardless of the installment. Each side of the buff shows three logos with a strip down the crease with a local design (sharks, islands, fire, skulls, etc.). From Survivor: Marquesas onwards, buffs feature a background which is in either a lighter or darker tone to the main color and seventeen seasons later, Survivor: Nicaragua, starting tribes began having their names on the material (with the sole exception of Survivor: Game Changers). By Survivor: Philippines, all subsequent buffs now possess the new buff logo.
Primarily being used as a headband/wristband etc. Survivor: Redemption Island employed the buff as a symbol of elimination at Redemption Island, in which the eliminated contestant would drop their buff into a small fire pit. As duels take place around the middle of the day, a second torch snuff would seem as less dramatic.
Survivor: Borneo is the only season to have "Survivor" in a different font than in future installments. This is probably due to the design being changed in post-production. The iconic font used in subsequent seasons is called "Survivant."
The women of Pagong are the first to wear the buff as a top.
Colleen Haskell is the first female survivor to wear the buff like a skirt.