Engineered to promote short, quick movement through the legs and the feet, Tyr's Hydroblade Fins help swimmers to create the natural flow of a flutter kick.
With a 100% silicone construction and state-of-the-art comfort fit, the Hydroblade prevents athletes from feeling restricted as they move.
In addition to an innovative heel strap design and convenient pull tab, each fin is also created with rounded edges to prevent discomfort in the fin’s foot cavity.
They also include an angled blade surface for upward kick resistance as you move., and side rails that amplify power in the water,
Country of Origin: China; Produced in USA
S (Men’s Shoe 4-6 , Women’s 5.5-7.5) - Green
M (Men’s Shoe 6-7 , Women’s 7.5-8.5) - Yellow
L (Men’s Shoe 8-9 , Women’s 9.5-10.5) - Red
XL (Men’s Shoe 10-11 , Women’s 11.5-12.5) - Blue
XXL (Men’s Shoe 12-14 , Women’s 13.5-15.5) - Black