• oltremare
  • trevi print

tidal bikini bottom

tidal bikini bottom

Regular Price: $48

Special Price $22

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Regular Price: $48

Special Price $22

Product Details

For the lover of the classic bikini bottom, this one delivers. And yet all the booty coverage, so you can move around without going full cheek. 'Cause there's so many other ways to get cheeky. All of our suits are made with fabric from a renowned Italian mill that specializes in premium swim materials. The beautiful knit is specifically engineered to hold up in all kinds of conditions, and is both color fast and abrasion resistant.

- recycled polyamide/elastane (black, oltremare)
- polyester/elastane (trevi print)
- UPF 50+
- full coverage
- interior liner fabric
- sunscreen resistant
- chlorine and abrasion resistant
- two way stretch

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Average Rating:
9 reviews

true to size

true to size
  • 32
  • 5'5"
  • more than 1 year(s)

Just right

I have long had trouble finding bikini bottoms that feel right. I'm thin/athletic but I feel uncomfortable in the skimpy bottoms typical of most retailers. A single thin string to tie the sides together? A rise so low that a wave reveals everything? No thank you. I decided on a whim to give these a try despite the high price, and I am extremely satisfied with the purchase. I've only owned them for about a week, but so far they are perfect. They look good, provide full coverage without being overly modest, and don't fall down as I jump through waves. I feel comfortable and confident and look forward to swimming, surfing, kayaking, and everything else. Please keep making these bottoms, Oiselle!

P.S. 5'5", 130lbs and a small is just right.

  • coverage, stays up but doesn't ride up
true to size
  • Michigan
  • 30
  • more than 1 year(s)

Best. Bottoms. Ever.

I hate one-piece suits, but it's hard to find two-piece suits that fit well enough to stay in place during lap swimming and kick turns. These bottoms do. The fit is high enough and they are elastic enough to stay in place and remain comfortable. They provide good coverage so I don't feel like my butt is hanging out, which I like.

The fabric is soft and lovely, and I love the Trevi print. This is easily the best-fitting and highest-quality suit I've ever had.

  • Fit, fabric
true to size
  • phillyphilly
  • 30
  • 5'4"

Best. Bottoms. Ever. No, seriously.

These might be the best bottoms that I have ever worn. No, seriously! The material is like butter and they are so flattering and fit like they were made for my body. I am typically a 6 in O bottoms and am a little curvy in the hips/butt. Sometimes I struggle to find full coverage -- but not with these! I am obsessed and my only complaint is that they don't come in more patterns/colors!

  • Material, Fit, Comfort
true to size
  • Arlington
  • 36
  • 5’7”

Not gonna feel naked in this at the beach!

How do I say this tactfully? Finally there’s a suit bottom that keeps everything IN. I hate going to the beach and I have to tuck my butt back in or adjust my backside in public. This suit doesn’t flash too much when I have to stand up from a beach chair. Finally there’s a swimsuit bottom out there that just keeps everything in one place. No muffin top, no weird leg lumps from a suit that cuts my leg fat in half (yes runners have leg fat), no awkward bikini line issues going on. Oiselle has finally showed the class how to make a swimsuit that is both cute and modest but not frumpy. Well done, Oiselle!!

  • Coverage, fit, cut
  • Needs more colors
true to size

Nice but not for every activity

Fit is perfect. Blessedly enough coverage but not so full cut as to look matronly. Fabric is silky and feels high quality. Trevi print is gorgeous. I paired this with the Ceto Bikini Top for a workout bikini. Be aware that this does not have a drawstring and required readjustment after a few flip turns, so not ideal for a long steady swim. The lack of drawstring also would make me very hesitant to take this surfing or in rough water. Great for paddleboarding and everything else but I wish Oiselle would make a bottom that doesn't just look sporty but can truly hold up to all watersports.

  • Fabric, cut
  • Lack of drawstring
true to size
  • Illinois
  • 41
  • 5'7"


I love these bottoms... very flattering and the fit is great. My only suggestion is a draw string... most competitions two-pieces have a drawstring for diving off blocks and/or aggressive flip turns. I about had a wardrobe malfunction at the pool the other day after diving in, then felt like they were loose with every flip turn. I could try an XS (probably should have from the start just wasn't sure about fit), but I still feel as if the elasticity might loosen up with repetitive chlorine and chemical exposure. Otherwise, I'm living the style, prints and overall fit!

  • Style and fit
  • Lack of drawstring
true to size
  • Oregon
  • 30
  • 5'1"

Favorite Swim Bottoms

These are cute, flattering, and comfortable! I'm a size 2 in my shorts and tights and size XS in this swim bottom fit great! It didn't cut in anywhere and still stays in place. I love that it has enough coverage to feel like I can move and not feel to exposed, while still feeling like a more traditional bikini style bottom. I'm excited to be able to mix and match these!

  • Easy to mix + match, feel true to size, super cute
  • Nothing
true to size
  • San Francisco
  • 44
  • 5'4"
  • more than 1 year(s)

Finally a perfect fitting bottom!

I love these bikini bottoms! After suffering through years of TYR bikinis digging into my muffin top, these provide great coverage and stay put. They are still flattering at the same time. I'm a size 6 in roga shorts and went with a medium. It's a perfect fit!

true to size
  • Bend, OR
  • 28
  • 5' 5"

they fit!!

I haven't found a swimsuit bottom (including older oiselle suits) that fit me that well, but these are fantastic. I have a smaller waist compared to butt, and these have great booty coverage all while fitting around the waist. They sit low on hips, but not so low that you feel like you need to constantly pull them up every 5 minutes. This fit is pure perfection

  • how well they fit everywhere

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