Summersalt vs Vitamin A: Sustainable Swim, Compared

If you are weighing Summersalt vs Vitamin A, you are really comparing two takes on sustainable swimwear. Both sell recycled-fabric suits built to last more than one summer, but they answer different questions. If your priority is a suit that fits a wide range of bodies at a fair price, Summersalt wins. If you want the softest fabric hand, made-in-California craftsmanship, and a sculpted designer look, Vitamin A wins. Everything below explains why.

I have tried to keep this honest. Each brand has a real edge, and pretending otherwise would waste your time. Prices and return terms shift with each season, so treat the figures here as a guide and confirm current details on each brand’s site before you buy.

At a glance

	Summersalt	Vitamin A
Typical price	Separates from ~$45, one-pieces ~$95–$145	Bikini pieces ~$95, one-pieces and sets up to ~$325
Size range	0–24 (most styles 2–22)	XS–XL (roughly US 0–12)
Signature fabric	78% recycled polyamide, 22% elastane	EcoLux matte jersey (recycled nylon)
Made in	Imported	Majority made in California
Fit lengths	Classic and long torso	Standard only
Best for	Size inclusivity, value, long-torso fits	Premium fabric feel, sculpted designer aesthetic

Fit and sizing

Summersalt built its reputation on fit data. The brand says it took over 1.5 million body measurements from 10,000 women to design its suits, as reported by Reviewed. That research shows up in the details most brands skip, like offering classic and long-torso lengths on core styles. If you have ever tugged a one-piece down all day because the rise sat wrong, that second length option matters.

Testers report the fit varies by style rather than by a single brand-wide rule. Summersalt’s own size chart is detailed, and reviewers commonly suggest ordering a couple of sizes and returning what does not work. If you are between sizes, size up for comfort.

Vitamin A runs true to size within a narrower band. Its compression fabric holds its shape and delivers a smooth, sculpted fit, but there are no long-torso options and the size range stops at XL. For many bodies that is fine. For very long torsos or sizes above a US 12, Summersalt simply has more to offer.

Winner: Summersalt. More sizes, two torso lengths, and fit built on published measurement data.

Size inclusivity

This is the clearest gap between the two. Summersalt lists sizes 0 to 24, though it is worth knowing that only one suit, the Sidestroke one-piece, is offered in the extreme ends of 0 and 24; most styles run 2 to 22, according to Yahoo’s tested review. Even with that caveat, a 2-to-22 core range covers far more bodies than the alternative.

Vitamin A stays in the XS-to-XL lane. It is a designer brand with a designer size grid, and it has not expanded the way inclusivity-focused labels have.

Winner: Summersalt, and it is not close.

Fabric and quality

Vitamin A is where fabric becomes the whole story. Founder Amahlia Stevens created EcoLux, described by Good On You as one of the first premium swim fabrics made from recycled nylon, back around 2010. The result is a matte jersey with a soft, second-skin hand that reviewers consistently single out. EcoCult’s founder has called Vitamin A’s suits some of the most flattering and durable she has worn, returning to the brand year after year.

Summersalt’s fabric is no afterthought. Its 78% recycled polyamide blend offers roughly four times the compression of an average suit and UPF 50+ sun protection, per Reviewed. Testers describe it as smoothing and supportive without feeling squeezed, and the suits hold shape across seasons. It is excellent performance fabric. It just does not have the buttery designer hand that Vitamin A’s EcoLux is known for.

Winner: Vitamin A on pure fabric feel and finish. Summersalt is close on durability and support.

Styles and coverage

Summersalt keeps a tight, focused range, around 20 core styles that lean classic: the colorblocked Sidestroke, wrap one-pieces, ruffle details, and clean bikinis. Coverage options run from cheeky to full depending on the cut, and built-in shaping cups appear on many one-pieces. If you want a flattering, versatile suit without decision fatigue, this edit works in your favor.

Vitamin A reads more like a designer resort collection. Expect minimal triangles, sculpted balconettes, high-waisted bottoms, plunging maillots, and textured EcoRib pieces, plus linen cover-ups and separates that photograph like editorial. Coverage skews toward the sleek and sculpted rather than the fully covered.

Winner: a tie. Summersalt wins on versatile everyday coverage and shaping support; Vitamin A wins on designer silhouettes and texture. Pick by the look you want.

Price and value

Summersalt sits in the mid-range. Separates start around $45 and one-pieces land near $95 to $145. For recycled fabric, published fit data, and two torso lengths, that is strong value, and reviewers note the suits outlast cheaper look-alikes.

Vitamin A is a premium buy. Bikini pieces start around $95 each, and full sets or standout one-pieces climb toward $325. You are paying for California production and EcoLux fabric, and the pieces are built to last for years. Whether that premium is worth it depends on how much the fabric hand and made-local story matter to you.

Winner: Summersalt on value. A complete Vitamin A set can cost more than two Summersalt one-pieces.

Sustainability

Both brands are genuinely in the recycled camp, but their approaches differ. This is the heart of any Vitamin A vs Summersalt decision for eco-minded shoppers.

Vitamin A leans on local production and material innovation. The majority of its swimwear is made in California, its EcoLux and EcoRib fabrics use recycled and regenerated fibers, its materials meet the Oeko-Tex standard for safe textiles, and its mailers are recyclable and biodegradable, as documented by Going Zero Waste. Making fabric and garments domestically cuts shipping emissions, and California’s environmental rules add oversight.

Summersalt’s approach centers on the fabric and packaging. Its suits use 78% recycled polyamide crafted from post-consumer materials and nylon waste, including old fishing nets, and many items ship in recycled bags. Production is imported rather than domestic, so the carbon story rests more on materials than on local manufacturing.

Winner: Vitamin A, mainly on the strength of local, Oeko-Tex-certified, made-in-California production. Both use meaningful amounts of recycled nylon.

Shipping and returns

Return policies can decide a swimwear purchase, since fit is hard to judge online. Terms change often, so verify the current policy before ordering.

Summersalt has made exchanges and store-credit returns within the U.S. free, while a mail-in refund has carried a small handling fee that is waived if you choose an exchange or store credit, per Yahoo’s review. Suits must be unworn with tags and hygienic liners intact. Several reviewers note shipping can be slow, so order with lead time before a trip.

Vitamin A’s return terms vary by retailer, since it sells through its own site and stockists. Buying direct generally gives the clearest policy, but there is no single free-return promise that matches Summersalt’s exchange model. Check the specific retailer before you buy.

Winner: Summersalt for a clearer, exchange-friendly return path.

Who should choose each

Choose Summersalt if you want the widest size range, long-torso options, fit backed by real measurement data, and mid-range pricing with an easy exchange policy. It suits shoppers who want one reliable, flattering suit without overthinking it.

Choose Vitamin A if fabric hand is your deciding factor, you want made-in-California craftsmanship, and you are after a sculpted designer aesthetic. It suits shoppers treating swimwear as an investment piece and who fit within an XS-to-XL range.

The verdict

In the Summersalt vs Vitamin A matchup, Summersalt wins on the practical axes most shoppers weigh first: size inclusivity, fit data, torso lengths, price, and returns. Vitamin A wins on the axes that matter to a specific buyer: fabric feel, local production, and designer styling. Neither is the better brand in a vacuum. Among sustainable swimwear brands, the right pick is the one whose strengths line up with what you actually need from a suit.

If you are still deciding, order your top style from each in your size, wear-test them at home against tags-on return windows, and keep the one that disappears the moment you put it on. That is the real test of any swimsuit.