Patent ID: 6884136

Claim:
An improved strap assembly for a swim fin, comprising: (a) an adjustable heel strap having two distal ends arranged to be secured to two lateral sides of a swim fin foot pocket, said adjustable heel strap having a predetermined heel strap tension between said two lateral sides, at least one of said two distal ends having an adjustable heel strap buckle arranged to adjust said predetermined heel strap tension; (b) an instep strap secured to said adjustable heel strap with an instep strap connection located between said distal ends, said instep strap secured to said heel strap at an instep strap base, said instep strap having a free end portion spaced from said instep strap base and said adjustable heel strap, said free end portion being secured to an adjustable instep buckle, said adjustable instep strap being capable of securing to the ankle of a swimmer with a loop having a predetermined instep strap tension between said instep strap base and said adjustable instep buckle, said instep buckle being arranged to permit said predetermined instep strap tension to be significantly adjustable, said instep strap connection being sufficiently spaced from said adjustable heel strap buckle to permit said adjustable heel strap buckle to efficiently adjust a significant amount of said predetermined heel strap tension.