Summer 2025: Permanent Vacation Collection Available Now
Summer 2025: Permanent Vacation Collection Available Now
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"I love my Sumatra surf suit! It is so flattering, and I never, ever need to adjust it in the water."-Lindsay
Our best-selling Sumatra Surf Suit is designed for unmatched comfort, performance, and protection in and out of the water. Crafted from premium Italian recycled nylon and ECONYL® fabric, this eco-friendly, wetsuit-inspired design shields you from the sun, wind, and reef scrapes while delivering a sleek, second-skin fit.
The buttery-soft turtleneck and thumb loops ensure a snug, stay-put feel, so you can focus on the waves—not adjusting your gear. And because we know what surfers need, we’ve added an interior pocket to stash your surf wax or key.
Grace wears the Sumatra Surf Suit in small
This style fits true to size.
Grace's measurements (size S):
Eco Ribbed fabric - 78% ECONYL® regenerated nylon and 22% elastane.
A soft, luxury Italian Recycled ribbed fabric.
ECONYL® yarn is made up from rescued materials from ghost fishing nets, fabric scraps, industrial plastic from landfills and oceans all over the world.
Italian recycled fabric deserves love & care.
Suit fits true to size and feels perfect in the Honolulu summer ocean! I hope it lasts forever!
I love the suit! The fabric feels lovely against the skin, dry or wet, and I adore that it has full coverage for the neck and hands. The bottom also usually stays in place while surfing-minimal adjustments needed. I am in between sizes S/M. 5’6”, 135 lbs 35” bust-35.5” hip which on the size chart is an extra small/small but I’m sometimes a medium often because of my frame. (Short waist but broad shoulders and long arms/legs) In the scorpion rash guard I got the medium and it fits well. For this surf suit small fits well around the bust and hip, but I probably could’ve used an extra half inch in the sleeve to fully cover the backs of my hands. The one concern I had was when I was doing the “shimmy” to get it over my hips I could hear stitches ripping in the waistband, so I worry about the quality and the top and bottom separating in the future. It fit great once it was on and was not restrictive, but sizing needs to take into account for a piece like this that it does have to go over your hips so the waist needs to be stretchy enough to make it over that part of you without self-destructing.
Also, a zipper “garage” or tab to keep the zipper in place would be useful. Without a keeper, the zipper tends to come open by a few teeth and then those teeth get caught in your hair so your head gets stuck for a second. It’s mainly annoying if you’re out on a rough day and turning your head often to check the incoming sets and your drift against the beach. A small annoyance and perhaps the price we pay for having good neck coverage, which is one of the reasons I bought this suit and not one of the other iterations out there. I would also be interested in a version of this suit that has legs that go down to below the knees to provide top of the thigh coverage while sitting on the board. (One of my aunts just passed from skin cancer, and while I still love the sun, I like to be in control of how much sun I get and also not have to slather on a bunch of sunscreen that won’t stay on in the water anyway!)
Ordered a L, need an XL, would recommend sizing up for this!!
I love my Sumatra surf suit! It is so flattering, and I never, ever need to adjust it in the water. I feel protected from the sun alll the way up to my neck and I can roll the sleeves up or down depending on how I'm feeling. It's just the right cut in the back. I forget I have it on and feel super confident and balanced on my board - the two layers of fabric don't slide around when I'm turning to catch a wave, as I've experienced with some other surf suits. So grateful to have found this - it is my daily companion in the water, so well made and looks great. Thank you, September!!
I luv e in Costa Rica and this suit is perfect for my sunrise surf sessions…and any of my surf sessions. I love it. It stays in place and it’s super comfortable. It fits really well.
The fit and coverage of this suit makes it perfect for surfing and playing on the beach. I love not having to worry as much about sun protection for my top be because the neck and and arms are covered. The material is soft and so comfortable. When surfing everything stays in place. And it's just a cute suit as well! It's my go to suit.
I love the color combo. It fits like a glove and looks so cute.
I have not taken this down to warm waters but will in a few weeks. can't wait to give it a try down in Baja in June.
Im pretty much in love with every suit I order from September.!!
Great colors and definitely quality material! The cut is super cute, but is for those with small torsos and larger bottom--like an hourglass figure--so take into consideration with sizing. I'm usually a small, but am returning because I would need a medium (5'5", ~130lbs, but I have a straight figure--bottoms fit great, but too small in waist and shoulders).
I’m on a surf trip in Indonesia and have been surfing in the Baja suit non-stop! My favorite thing about the design is that I haven’t had to adjust it AT ALL while surfing, even in big surf. The high neck is awesome for sun protection and the suit fits nice and snug.
I wore this suit on a surf trip to Baja and it was perfect for sun protection and surfing in 75 degree water. As a mom of 3 it’s hard to find a suit that is both flattering, functional and protective. I love the cut of the butt and the high neck. The material is also very high quality and doesn’t slip around while surfing. I’d buy this in every color!
Stumbled across this suit at the Xanadu surf shop on Lombok and loved the green bean print! But ahh the fit is amazing. Truly one of the first surf bikinis that I feel confident wont fly off if I get hit by a big wave. I bought the same style in red too! So cute and *actually functional!
Ahh I'm obsessed. Truly one of the first surf bikinis that I can feel confident wont fly off! I have the matching top and bottom and cannot stop wearing them. I bought the same style in red too! So cute and functional!
The made of this bottom is just perfect…fabric felt soft and smooth while hugging the body perfectly. It’s a modest coverage but still had me feeling free and not restricted in the hips area while surfing! Love love love this:)
The cutting of the top is flattering and felt so secured during my surf session. The print is just perfect. 10/10
If you are extremely fair like me but spend hours in the sun this is your top for no more burns. Covering neck,chest and hands has been a game changer for me in the water. I even wear this top mountain biking! Highly recommend if you want a cute and flattering top but want to take care of your skin.
Amazing surf suit bottom that stays snug if you’re spending hours in the water- I’m always skeptical of lighter prints being see through but this pattern is not at all, it’s a thick material but feels light on the skin. Super happy with these bottoms and have already taken them in three surf trips!
i originally bought this because i had burned my bum pretty badly & not only did it prevent this from ever happening again but it stays on perfectly and doesn’t leave a hard tan line. big fan😍😍
heya guys, i recently bought this bikini and IM LOVING IT😍😍 i have a hard time finding a bikini that keeps everything inside the top, in general but especially for surfing and im sooo impressed with how safe the top is despite being super comfortable and light! thanks so much for making these 🫶🏼🫶🏼
This is officially my favorite suit to surf in! The Alaia Surf Suit keeps everything perfectly in place so I can focus on surfing without worrying about adjusting anything. I usually pair it with the Scorpion Rashguard, and together they make the perfect set functional, comfortable, and stylish.
I also love wearing it to the beach with my daughter. We can run around, play, and still feel super cute. The material is amazing you can really tell that Erika and the team at September know exactly what they’re doing when it comes to both performance and design.
This is now my summer staple. Feels very cool with the heat when it’s wet.
I’ve recently been surfing in this top and honestly can’t believe how comfortable a rashguard can be. I’m a redhead, so sun protection is super important and this top nails it. The thumb holes offer extra coverage on the backs of my hands, and the higher neckline gives great protection without feeling restrictive.
What really surprised me is how soft it is. So many rashguards feel rough or end up causing more of a rash, but this one is buttery soft and gentle on the skin, even after long sessions in the water. September really got everything right with this piece functional, protective, and super comfortable.
Suit fits true to size and feels perfect in the Honolulu summer ocean! I hope it lasts forever!
Love the print and the fabric. Perfect for diving !
Great top, fits well and true to size. Super soft material. The print is vibrant and detailed. I surfed in it the other day. It was comfortable the whole time and stayed in place.
Great surf top! Fits true to size and is secure. I am a 34C and the S fits my bust well. I do wish the straps had a bit more elastic for extra support but very pleased with the overall fit, comfort, and functionality!