Your swim cap choice depends on what you're doing in the pool. Casual dips call for something easy to slip on and forget about. Serious training and racing require something tough that holds up and stays in place. Long distance sessions benefit from caps that reduce drag and keep your head warm. Find the right fit for your swim sessions at Decathlon.
Material is key with swim caps. Silicone is flexible, long-lasting and easy to put on, making it the go-to for most swimmers. Latex offers a snug fit for competitive swimmers but needs careful handling. Neoprene keeps you warm if you swim in cold water. Most of our range uses silicone because it balances comfort, durability and practicality for everyday use.
Fit
Getting the fit right means your cap stays put and feels comfortable. Too tight and it leaves marks on your head, too loose and it shifts about during strokes. A snug fit keeps water out and reduces drag for competitive swimmers. A slightly more flexible fit can feel more comfortable for casual swimming sessions. Most swim caps stretch to fit different head sizes, but checking the size guide before buying saves frustration later.
Drag Reduction
Feel for a smooth surface that won't create drag. Competitive swimmers benefit from streamlined designs that minimise resistance in the water. Rough or textured surfaces create unnecessary drag and slow you down. For casual swimmers drag reduction matters less, but a smooth cap is still more comfortable and easier to put on. The smoother the surface, the more hydrodynamic your swimming position.
Ease of Use
Ease of use matters more than weight when choosing a swim cap. Silicone caps slip on quicker than latex. Find one that doesn't pinch your head or pull your hair, especially if you're wearing it regularly.
First-time swimmers. Just starting out with swim caps? Our beginner option is straightforward to put on, comfortable to wear, and doesn't require any special tricks or techniques.
Regular swimmers. Wearing a cap regularly means it needs to survive constant use without degrading or becoming uncomfortable. Our mid-range caps hold their shape through repeated sessions and frequent washing.
Competitive and long-distance swimmers. Racing or grinding through long training sets means every millisecond counts. Our performance range minimises drag and delivers the secure fit you need to focus on your pace, not your cap.
How to care for your swim cap
Wash off chlorine and salt straight after swimming before they degrade the material. Pat dry with a soft cloth then air dry completely, damp caps go mouldy quick. Keep it out of direct sunlight as UV degrades the material over time. For storage, keep it somewhere cool and dry away from heat sources.
Swim caps by type
Type
Best for
Beginner and silicone caps
First-time swimmers, casual pool use, occasional swimming.
Regular swimmers, all-round swimming styles, frequent pool visits.
Go for a snug but comfortable fit so it stays in place during swimming without pinching your head or pulling your hair. Most caps stretch to fit different head sizes, so find one that feels secure without being tight. It should stay put through your whole session.
Is a silicone swim cap suitable for all swimming styles?
Silicone caps work brilliantly for casual and regular pool swimming with comfort and durability. For competitive racing, a latex or performance cap gives you a tighter fit and reduces drag when speed matters. Pick based on what you're actually training for.
What is the best swim cap for long hair?
How long does a swim cap last?
What is the best swim cap for cold water?
Size up to a larger silicone cap that gives your hair room to breathe without creating uncomfortable pressure on your scalp. Look for caps with a stretchy, forgiving material that won't pull or tug at your hair. Extra-large or oversized options exist specifically for longer hair, so don't compromise with a standard size.
With proper care, 1 to 2 years depending on how often you swim. Watch for material breaking down, lost elasticity, and permanent creasing. Comes with a 1-year warranty.
Neoprene is the go-to material for cold water swimming. It keeps you genuinely warm by trapping water against your skin and maintaining body heat during long sessions in chilly water. You'll stay comfy and focused on your swim.
Stays Put. Lets You Focus.
A swim cap that actually stays on your head is worth having. We've made them in different styles for different hair types so you can focus on your swim, not constant adjusting. Find them online or in stores. All backed by a 2-year warranty.
All SportsMenWomenKidsAccessoriesEquipment and LeisureHealth & NutritionBest DealsNew ArrivalsMarketplace
Hiking & Trekking
Swimming
Cycling
Fitness (Yoga/Pilates)
Camping
Running
