New binding with fine, precise BOA® Fit System tightening for these eye-catching Up&Down frames, 'CHÂSSIS - Wasp waist = natural walking - 3D design for good grip on inclines FIXING - Lock Adjustment: easy to use, this adjustment allows you to memorize your boot size for all snowshoeing outings, - BOA® Fit System : OBTAIN FAST, FAIR AND ACCURATE HANDLING IN A TURN OF THE HAND, AGILITY AND SPEED: BOA® Fit System enables faster and more powerful direction changes thanks to a better connection between the equipment and the body, POWER AND PRECISION: Power without compromising precision: BOA® Fit System offers more explosive action and unrivalled precision, - Ankle Pre-adjustment: allows the comfort strap to be centered on the shoe and its position to be memorized - Heel tightening by rack-and-pinion instep strap for fast, precise fitting - Bi-material comfort strap - Noise and shock absorber - UP&DOWN ascent wedge: on ascent, the wedge raises the heel ; on the way down, the binding passes under the sieve, allowing the heel to attack - Different levels of attachment bars under the frame - Stainless steel front claw for maximum traction on steep slopes, made from high-performance stainless steel, highly resistant to abrasion and impervious to corrosion - 6 interchangeable steel spikes + 2 under the binding - Stainless steel side claws Made in France, Supplied with carrying case, (Sizes 35 to 44)