A one-piece garment is a garment that forms a complete outfit in one piece. One-piece garments may be worn as lingerie or as outerwear[?]. Some one-piece garments are skin-tight garments, others are loose garments. Many of the older ones are draped garments.

Examples include:

Loose one-piece garments:

• boiler suit[?]
• dress
• jump suit[?]
• loincloth
• overalls[?]
• one-piece pyjamas (the vast majority of pyjamas are two-piece)
• romper suit[?] (for babies)
• sari[?]
• sarong[?]
• ski suit[?]
• toga

Make-shift one-piece garment used when going to and coming from the shower, etc.

• Bath robe[?]
• dressing-gown[?]
• towel

Skin-tight one-piece garments:

• catsuit[?]
• diveskin[?]
• leotard
• one-piece swimsuit[?]
• unitard
• wetsuit