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Ultimate Air Cool 691

Model 691
Professional lightweight ski boots for skating. The one-piece carbon chassis «Spine Carbon Cockpit» and Spine Carbon Cuff provide high twisting stiffness and efficient energy transfer during repulsion.

The new valve material allows you to apply any design - the logo of the team or company, any photo, phrase, picture.

Characteristics

• Purpose of Use - RACING.
• One-piece carbon chassis Spine Carbon Cockpit
• Lightweight Spine Carbon Cuff
• Two-component lightweight outsole Rottefella Xcelerator
• Ultimate Eccentric to regulate tilt angle of the carbon cuff
• Anatomic footbed - Anatomical three-component insole
• Reinforced fastening S-Power strap
• Spine Armor Pad – reinforced protective pads
• Spine Speed Lacing system
• Insulation Spine S-warm – keeps out the cold up to -20С
• «Boot in a boot» technology. The inner boot is very low
• The upper of the shoe is an elastic textile material. The top of the fabric is treated with hydrophobic materials.
• Waterproof valve - duplicated textile material.
• The membrane lining (water-repellent, windproof and breathable) allows the foot to «breathe»
• Elastic Calf adjustment
• Spine Pull Strap – heel strap for easy putting on
• Sealed Zipper YKK
• Keep out the cold up to -10С
• Weight of one boot (42 size) – 460gr.

Descriptions
Type NNN
Outsole Rottefella SSR
Weight 460 g
Size-run 38-48 EU

Technology

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Carbon cuff & carbon cockpit

Carbon elements with profiled surface to assure additional strength, better and stronger lateral support. Gives more comfort and better leg support.View more technology
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Eccentric

By changing the position of the eccentric with a special key on the outer or inner side of the boot, you can achieve the exact rotational axis location of the ankle cuffs, taking into account the anatomical features of the feet.View more technology
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Elastic calf adjustment

An elastic adjustment provides maximum comfort and fit relation over the ankle.View more technology
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Power strap

Velcro strap securely fixes the boot.View more technology
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Speed lacing system

Rugged system allows easy in and out and provides maximum comfort and foot fixation.View more technology
Technology

Ultimate Air Cool 691

View more technology

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