ALPINESTARS Tech 10 Boots - Black/White - US 13 2010020-12-13 leather suit Stretch under the arms and

Stretch under the arms and on the inner arms for an optimized sport fit

Bicep zone features a special layering design for improved aerodynamic performance and comfort

Reduces friction and wear

Allow for fast cornering from the first lap makes tire last longer

ALPINESTARS Tech 10 Boots - Black/White - US 13 2010020-12-13 leather suit Stretch under the arms andTech 10 Boots Black White US 13 Combines dual front and rear blade connectors, Provides a complete and seamless flexion control system, from the foot shell all the way up to the shin plate, Engineered to 'float' freely between the lower and upper boot construction, Asymmetrical, dual pivot arms on boot frame, A unique feature is the ankle control system developed in the outer shell construction, allowing natural ankle movement, vertical compression