The Spine ‘Smart 357’ model is the perfect entry-level ski boot. A warm, comfortable classic boot that feels great as soon as you try it on. Made from durable materials, and thicker insulation, this boot is perfect for first-time skiers or those using skin skis or fishscale skis.

Features:

• Built on a Spine proprietary Thermoplastic NNN outsole for NNN or `Salomon Prolink` bindings. Offers better tread when walking off-skis (ex. in parking lots etc.…)

• Outsole is resistant to cracking in cold-weather and flexes gently; perfect for easy skiing on skin skis and fishscale skis.

• Sole flexes gently; perfect for easy skiing on skin skis and fishscale skis.

• Outside made of high quality synthetic frost-resistant material with a polyurethane coating.

• A two-component insole, the bottom is made of polyurethane foam and the upper is made of synthetic `wool`, the materials perfectly keep the feet warm during touring skis.