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Four Stroke Positive Drive Fins

300970: Size US 2-3
300971: Size US 4-5
300972: Size US 5-6
300973: Size US 6-7
300974: Size US 8-9
300975: Size US 10-11
300976: Size US 12-13
300977: Size US 13-14

Uniquely designed to be used for all four strokes!

• Blade specifically designed to provide superior propulsion and power
• Offset foot pocket transfers natural foot power into "positive drive"
• Increased foot and ankle flexibility for increased propulsion
• Designed to broaden the front of the foot and reduce pressure on the instep and toes - less cramping due to a more natural foot position in the water