ALPINESTARS Tech 10 Boots - Blue - US 12 2010020-713-12 Sprocket Shaft Extension Also fits other brands of

Also fits other brands of trailer hitches

Metal air vents and extractors

comfort and breathability

stretch and flexibility DrystarXF® membrane for superior breathability and waterproof performance

ALPINESTARS Tech 10 Boots - Blue - US 12 2010020-713-12 Sprocket Shaft Extension Also fits other brands ofCombines 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 control and improved impact protection