Greatever Snorkel Fins for Adult, Snorkeling Gear Adjustable Buckles Open Heel Comfortable Extra Convenient

These swim fins have a symmetrical design for better underwater stability and reduced resistance. They are made of soft, elastic material and come with an open heel design for easy adjustment.

• The design reduces resistance by 30%.
• The description claims the fins can help reduce leg cramps.
• The material is claimed to ensure both softness and toughness.