Hammer Head Swim Caps - the swim cap that has it all

The World's Only Protective Swim Cap

The only swim cap designed to prevent head injuries without slowing you down.

Guaranteed not to rip in the first year.

SHOP

From pool to open water, we’ve got you covered.

Choose Your Sport

Hammer Head® delivers protection, comfort, and performance.

Swimming

Train hard, worry-free—our tech protects you from head hits in backstroke and busy lanes.

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Open Water & Triathlon

Stay confident and perform at your best, even in the chaos of crowded starts and buoy turns.

Water Polo

Protect your head from balls and elbows. Goalies face the greatest risk of repeat head injuries.

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Artistic Swimming

Acrobatics and tight formations raise head injury risks—and injuries can cost the team its competitive edge.

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Diving

High board divers hit speeds of 25 mph—injuries can result from a bad dive or repeated exposure to these forces for all skill levels.

THE STATISTICS DON'T LIE

50%

50% SAFER

10.5%

Up to 10.5% FASTER

100%

100% MORE DURABLE

Why Hammer Head?

Swim Smarter, Swim Safer

Impact Protection

Stay safe from head injuries with our patented, shock-absorbing design, perfect for backstroke, busy lanes and race starts and aggressive training.

Performance Ready

Sleek and hydrodynamic, our wrinkle-free cap enhances your speed without compromising protection, giving you a competitive edge.

Confidence Booster

Swim with peace of mind knowing you’re protected, so you can focus on your performance and reach your goals.