Optima Binding Size:5-8 It has a uniform thickness

It has a uniform thickness and a flexible longitudinal propulsion wing of variable length

parent holds 2nd handle to control for smooth safe falls

" Rusty tells it like it is

Discover all the classic features that Airhead tube lovers expect from the Big Mable—including a supportive backrest

Optima Binding Size:5-8 It has a uniform thicknessEase of entry, comfort, and style is what the Optima boot is all about. The lycra lined heel and toe make the boot easy to step in and a single lace system encloses the boot around your foot like it was molded just for you. This is a super light design that fits a wide variety of sizes. Easy to use open toe boot Thick EVA footbed Lycra lined molded heel and toe Lace adjustable Gorilla grip 6 Plate Boot Size : 5 8, 9 13.