River Rock (Water)

Nutcase Water Helmets are not certified for bicycle, skate, snow or motorized sports. Due to the nature of our Water Helmet's foam, they are only safe for their use in water sports, such as kayaking, stand up paddleboarding, windsurfing and waterskiing. 

All water helmets comply with the CE EN-1385 Water Sport Safety Standard for water sports. All helmets come with removable neoprene ear pads, 360 degree reflectivity and the revolutionary magnetic buckle, allowing you one-handed operation and no pinching!

  • Durable ABS shell
  • EVA protective inner foam lining
  • Classic 11 vent design for perfect ventilation & drainage
  • Three sets of sealed absorption resistant pads for a perfect fit
  • Removable neoprene ear pads
  • Rust-proof chinstrap rivets
  • 360 degree reflectivity
  • CE Certification

Be sure to measure your head before ordering. 

All Nutcase Water Helmets comply with the CE EN-1385 Safety Standard – Helmet for Canoeing and Whitewater Sports.


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River Rock (Water) has a rating of 5.0 stars based on 1 reviews.


  • CE


The Nutcase water helmet was the helmet of choice for the 2015 Red Bull Foiling Generation global series of catamaran races.

Sizing Chart

Head Size Head Size Water Helmet Size
20⅞" 53cm S-M 20½" – 21⅝" 53cm – 55cm
21¼" 54cm
21⅝" 55cm
22" 56cm M-L 22" – 22¾" 56cm – 58cm
22⅜" 57cm
22¾" 58cm
23⅛" 59cm L-XL 23⅛" – 23⅞" 59cm – 61cm
23½" 60cm
23⅞" 61cm