Afterwear

Onesie /ˈwʌnzi/ in the 2000s has become a commonly used word for loose-fitting casual jumpsuits for adults, made of knit cotton (as used in sweatshirts), fleece, or chenille. They have gained significant popularity as stylish streetwear. In the UK and Australia, the onesie became very popular during the late 2000s and early 2010s as a street fashion.

Onesie was originally a term for an infant bodysuit, probably derived from Onesies, which is a registered trademark for a certain range of infants' clothes.

The product was initially conceptualized and marketed by entrepreneur and musician, Steve Pandi; originally intended as a gimmick his rock band would wear during shows. Being the first and for some time the only vendor of the popular onesie, his company JumpinJammerz quickly grew and began to appear on television as early as 2000 on Oxygen TV's "Pajama Party" television show.

Beginning in February 2001, onesies began regularly appearing on MadTVand CSI: Las Vegas. In 2007 the company's adult onesie was a popular gift among celebrities when JumpinJammerz was included in the 2007 Academy Awards (Oscars) and Emmy Awards gifting events. By 2008 other companies began to replicate the onesie, again feeding into the craze. In 2009 a mix of onesies from different onesie producers appeared in a Saturday Night Live skit with James Franco.

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