Neoprene
Neoprene
A synthetic rubber fabric with water resistance and structure, used in swimwear and waist trainers.
What Is Neoprene?
Neoprene (polychloroprene) is a synthetic rubber invented by DuPont in 1930. It is manufactured by polymerizing chloroprene, then foaming the rubber into sheets with a closed-cell structure — meaning millions of tiny nitrogen gas bubbles are trapped within the rubber matrix. This closed-cell structure is what gives neoprene its key properties: water resistance (water cannot penetrate the sealed bubbles), thermal insulation (the gas pockets trap body heat), and structural rigidity (the foam holds its shape under compression).
For fashion and intimate wear, neoprene is used at much thinner gauges (0.5-2mm) than the 3-7mm found in wetsuits. At these thinner measurements, the material is flexible enough for garment construction while retaining its structured, shape-holding quality. Neoprene is typically laminated between two layers of nylon or polyester jersey fabric (the stretchy fabric you see and touch), creating a sandwich structure that is smooth on both sides. The material does not absorb water, dries quickly, and resists salt, chlorine, and UV degradation.
In intimate wear and swimwear, neoprene appears in structured bikini tops, waist trainers, and body-shaping garments where the material's rigidity provides compression and support without traditional boning. Neoprene swimwear holds its shape in waves and surf better than fabric alternatives. The trade-off is zero breathability — neoprene traps body heat completely, making it uncomfortable for extended wear in hot conditions. Care requires rinsing after every use, hand washing with gentle soap, and shade drying flat.
Sinderella's swimwear collection includes structured pieces that hold their shape through surf and sand — because confidence at the beach starts with a swimsuit that stays put.
How to Wear & Style
Neoprene swimwear is ideal for active beach days — surfing, body boarding, or any water activity where you need a top that stays in place without adjusting. For pool lounging in Indian summer heat, neoprene's insulating properties can become uncomfortable on land, so have a cover-up or sarong handy for transitions between water and sunbed. Neoprene bikini tops provide excellent shape and support without underwire, making them a comfortable alternative for larger busts. After each saltwater or pool session, rinse thoroughly in cool fresh water before the salt or chlorine can degrade the rubber. Never leave neoprene in a hot car or direct sunlight for extended periods.
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Structured swimwear that holds its shape through every wave.
Explore All CollectionsFrequently Asked Questions
What is neoprene?
A synthetic rubber fabric with water resistance and structure, used in swimwear and waist trainers.
Is neoprene comfortable for swimwear and intimate wear?
Neoprene used in swimwear and lingerie is much thinner (0.5-2mm) than wetsuit neoprene (3-7mm). At these thinner gauges, it is flexible and comfortable for short to moderate durations. However, neoprene does not breathe — the closed-cell rubber structure traps heat against the body. This insulating property is desirable in cool water but can cause excessive perspiration on land, particularly in warm climates. For swimwear, neoprene bikinis hold their shape in waves better than fabric alternatives. For extended land wear, limit neoprene pieces to cooler environments.
How do I wash neoprene swimwear or lingerie?
Rinse neoprene in fresh cool water immediately after every use (especially after saltwater or chlorine exposure). Hand wash with a gentle soap or neoprene-specific cleanser — never use hot water, which breaks down the rubber. Do not machine wash or tumble dry. Hang to dry inside-out in the shade; direct sunlight degrades neoprene over time. Store flat rather than folded, as creases in neoprene can become permanent. If you notice a rubbery odor developing, soak the piece in cool water with a tablespoon of baking soda for 30 minutes.