TSL 438 Up & Down Grip

New fastener with the fine and precise BOA® Fit System for these up&down and eye-catching frames." CHASSIS- Wasp waist = natural walking- 3D design for good grip on slopesFIXATION- Lock Adjustment: easy to use, this adjustment allows you to memorize your shoe size for all snowshoeing trips.- BOA® Fit System: get a quick, smooth and precise fit in a jiffy.AGILITY AND SPEED: BOA® Fit System allows faster and more powerful direction changes thanks to a better connection between the equipment and the body.POWER AND ACCURACY: Power without compromising precision: the BOA® Fit System offers more explosive action and unmatched precision.- Pre-adjustment ankle: allows the comfort strap to be centered on the shoe and its position to be memorized- Heel tightening with a rack and pinion instep strap for a quick and precise fit- Bi-material comfort strap- Noise and shock absorber- UP&DOWN wedge: when climbing, the wedge raises the heel; when descending, the binding passes under...