These Expert-Approved Swim Caps Actually Stay Put During a Workout

ProsChlorine-resistantOffers UV protectionInternal dimpling to keep cap putDurableConsMay be too thick for someThe Aqua Sphere Silicone Swim Cap has everything a swimmer could want: It's durable, comfortable, and stays put. Recommended by Mescolote, it is crafted with Exo-core technology and uses a combo of two thicknesses of silicone to ensure durability and improve its water resistance. The material is chlorine-resistant and UV-protected. We like that the cap is also designed with internal dimpling and stabilizing ribs, so you won't have to constantly adjust the cap throughout your swim. Plus, Mescolote says this cap is a great standard option for swimmers of all levels.Read more: Best Shampoo to Get Chlorine Out of HairFeatures at a GlanceProsHolds long hair 18 color options Reinforced edges prevent slippage ConsFits best on longer and thicker hairIf you are new to swim training, the Arena Soft Silicone Cap should be your new go-to. Made of 100 percent silicone, this cap is made to last. It offers a snug yet comfortable fit that is gentle on the hair and scalp, thanks to its silicone content. Made to fit even those with longer hair, this cap is also resistant to harsher chlorine and UV damage. It features reinforced edges that will ensure it stays put.Plus, Mescolote likes that it's available in a bunch of colors. "Arena offers a wide variety of silicone caps in different colors and designs, allowing recreational swimmers to express their style while enjoying a secure and enjoyable swimming experience." Whether you're into neutrals or want a fun pop of color, there truly is something for everyone.Advertisement - Continue Reading BelowProsLarge enough to cover the earsHigh performance fitPliable comfortConsMay not work for long hairSailfish swim caps are a favorite amongst swimmers, and with good reason—they offer the performance even serious swimmers demand while still being comfy to wear. “This is one of the most comfortable silicone caps I’ve ever worn,” says MH Health Director and swim coach Marty Munson. “It’s super flexible and pliable but still stays on.” However, she notes that it works best for swimmers with shorter hair.ProsDesigned for high-volume hair and braidsDurable constructionCompetition readyConsSnug fit may pull hairThis swim cap is made for swimmers with long, thick, or curly hair and braids. Constructed out of 100 percent silicone, it’s durable and hypoallergenic, and was even approved by World Aquatics, the sport’s worldwide governing body, for use in competition for athletes with natural Black hair, making it a great choice for competitive and recreational swimmers alike.Advertisement - Continue Reading BelowProsMade with extra room for long hairDurable and tear-resistantWon't snag hairConsCan feel overly tight This cap was designed for ladies who lap and have long hair. The extra room to tuck in hair doesn’t interfere with the cap’s snug-enough fit, so it effectively reduces drag. We also like that it’s designed to be snag-free on hair, making it a great choice for long locks. The silicone it’s made of is also tear-resistant, making it a durable choice, too.ProsSecure fitFun prints and colorsLightweightConsBetter suited for shorter hair This cap is made entirely of highly durable silicone, making it lightweight, and doesn't slip or slide once in place. The snug cap keeps all your hair locked in, and its streamlined shape helps to reduce drag, aiding performance. But it's also cool aesthetically, too. The cap comes in a bunch of vibrant patterns and colors, so you can add some flair to your swim attire.Advertisement - Continue Reading BelowProsEasy to put onSoft material is gentle on hairOffers UPF 50+ protectionConsNot the most performance-oriented fitThanks to its blend of Lyrcra and Spandex fabric construction, this cap is as stretchy as it is soft. While it’s not the most snug-fitting, it still reduces drag in the water as well as offering UPF 50+ sun protection, making it a great swim cap for recreational swimmers who are prioritizing comfort over the highest possible performance.Material80% recycled nylon, 20% xtra life lycra fiberNatascha is an editor and writer covering health, fitness, and the ways people move through the world. She’s been a NASM-certified personal trainer for more than a decade, with a background in functional strength training, corrective exercise, nutrition, and behavior change. Her work has appeared in Bicycling, Runner’s World, and other outlets, and her experience spans both editorial and hands-on work across the fitness industry. Whether she’s writing about training, health, or performance, she’s most interested in making complicated topics useful, approachable, and helpful. Marty Munson, currently the health director of Men's Health, has been a health editor at properties including Marie Claire, Prevention, Shape and RealAge. She's also certified as a swim and triathlon coach.