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Arena Smart Cap

Product Rating   Product Rating  39 customer reviews
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SKU: 91631
Product Code: 25361

Availability: Usually Ships in 24 Hours
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The Smart Cap from Arena® is the winner of the 2012 prestigious red dot design award! This spectacular Smart Cap from Arena® is specifically designed for long hair. Its patented design features a revolutionary construction of an inner band and outer cap. Its purpose is to keep hair in place while pulling the cap on, eliminating the need for elastic bands or clips.  

• PVC free.
• Revolutionary cap construction with an inner band and outer cap.
• Band keeps hair in place.
• Outer cap: 80% Nylon (Polyamide) / 20% Elastane.
• Inner cap: 72% Nylon (Polyamide) / 28 Elastane.
• Power lining: 100% Polyester.
• Imported.


  • 4 star rating (39 Reviews)

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  • rating star
    By from
    on 6/18/2011

    Had high hopes for this.  I have long colored hair. I'm a very active mid40s starting to plan some alternatives to my high impact activities. I enjoy swimming outside during the summer but limit how much I do since I hate to get my colored hair impacted by the pool water and sun.  Ideally, would like to be able to swim indoors during the colder months for great low impact exercise, but not being able to keep my hair dry is a major detractor.   Bought this with high hopes. Mine is black and grey. No size was indicated.  Only seems to come in one size, yet inside the cap it indicates that it is an "M".  The cap is painfully tight.  It has a nice snug design and material that does seem to avoid the hair damage that happens with other materials.  I called swimoutlet back about getting a larger one, but they do not have one.  No one else advertises having them in "L".  The material appears to keep the hair from getting soaked, but hair does still get damp.  Would love to get a solution that fits and works.

  • rating star
    By from
    on 9/20/2014

    I have long hair and before used a combo of hair ties and Lycra caps. I have trouble with other materials pulling my hair. So I tried this one and now bought a backup. No ties. Easy to use , others in the gym covet it and I send them here . Only problem- sometimes during very vigorous training it will begin to slip. It's easy to fix and never comes completely off. It doesn't happen all the time so I have to wonder if I am not quite putting it on right when that happens.
    Bottom line-if you have long hair and are taking a class, doing workout laps, or rec swimming, I highly recommend this cap. If you are a competitor training hard or competing, you likely need something tighter.

  • rating star
    By from
    on 9/20/2014

    'Singh', along swimming ;-)

  • rating star
    By from
    on 9/19/2014

    I've been a swimmer since before goggles (even before Mark Spitz). This cap is my best discovery since swim goggles!
    -Really does go on easy and keep all those wayward hairs in place.
    -No, it's not waterproof: so I put my Silicone cap over it...goes on easy.
    -Yes, It's lycra: lycra suit lasts 3-6 lycra cap lasts 3-6 months. (Which is why we are all buying our suits from the Swim Outlet, right?).
    -OK, it' still new to me, I hope it doesn't get too loose too fast.
    But I am pleased as punch for now...I get to keep my long grey hairs on my head   ( :

  • rating star
    By from
    on 3/12/2014

    I got this cap for my 14-year-old daughter who has really thick, shoulder length hair.  Other caps pulled her hair, or didn't stay on.  This is perfect!  All her hair fits, it doesn't pull her hair, and it doesn't slide off while she is swimming.  It is true that it is not waterproof, but she is a competition swimmer, and the point was not to keep her hair dry, but to keep it out of the way while she is racing.  LOVE IT!

  • rating star
    By from
    on 6/21/2013

    This cap is perfect for longer hair, easy to use, and now I can avoid the broken pieces caused by wet hairbands pull out my hair!

  • rating star
    By from
    on 3/27/2012

    I had high hopes for this product.  I wanted a great fitting snug cap that was long-lasting, easy to put on, and gentle on my hair.  I was/am sorely disappointed.  I've been using it as a swim cap for lap swimming 5 days per week for the past 3 months.  The cap is already rotted and falling apart like a cheap lycra swimsuit.  The cap was snug at first, but loosened fairly quickly.  Probably by about a month into use, it was limp and my ponytail was flopping around in there.  I was VERY careful to wash, rinse, and hang-dry after each and every use, and it still disintegrated.  I paid over $25 for this cap, for only 3 months of use.  It's SUPPOSED to be made of a long-lasting fabric.  Sadly, it isn't long-lasting, and I'm out the money.  I think I'd be better off just using cheap lycra caps.

  • rating star
    By from
    on 4/17/2015

    This cap is great and the only reason I give it 4 stars instead of 5 is because I wish it lasted longer, never-the-less I'm now on my second one. Although it is recommended for long hair I have chin to shoulder length hair cut in many layers. I pull what is long back with a ponytail holder, pull the inside part of the cap on like a head band (which catches all the short hair around my face) and pull the outer layer of the cap over my head covering what is left of my crazy hair. There is no hair to have to tuck up inside the cap. So for shorter crazy hair this cap is great! I swim 2500 to 2900 meters 3x's a week. I have a condition where the occipital nerves in the back of my head are damaged and any pressure put around my head causes terrible pain. This cap is snug without being too tight, stays in place, and causes me almost no discomfort. I don't mind that my hair gets wet so that's not an issue for me. I'm sorry the pink is out of stock...would have liked another pink one, but grey works just as well.  Great product! Please don't discontinue it!

  • rating star
    By from
    on 4/13/2015

    This makes putting long hair into a swim cap simple and frustration free.  It fits well and is very easy to use.  It is nylon so won't save your hair from chlorine and salt, but if put on first it makes putting on a latex cap over top easy.

  • rating star
    By from
    on 1/22/2015

    Fits great and doesn't move once you have it on while swimming


Since 1973, Arena™ has been a global influence and leader in competitive swimwear and accessories. Used by international top athletes and the official swim teams of UCSD, UC Berkeley, and Cal Poly, Arena swimwear is as synonymous with water as it is to swimming. Arena boasts a number of streamline, comfortable, and durable swimsuits that are perfect for competitive swimming and races.

By investing in innovation and researching fabrics and textiles, Arena is continuously discovering and utilizing unique technologies. Their high-tech patented Powerskin™ fabric claims to be the lightest fabric in production, weighing only 125 grams per square meter, while their stitchless seams keep mobility at its highest and reduces drag.

With offices populating Europe, Asia and the US, Arena is making waves worldwide with their quality line of goggles, training equipment and competitive swimwear. Whatever your swim needs, Arena has you covered with their jammers, one pieces, and neck-to-knee suits.