Alpinestars Tech 3 AT Boots Style:Mens Fit If you have a "curvy"

If you have a "curvy" or "extra" in the rear

7 Point secure fitting system

Bonneville America and Speedmaster models only

These air pockets dampen vibrations

Alpinestars Tech 3 AT Boots Style:Mens Fit If you have a "curvy"Alpinestars Tech 3 AT Boots Features: Upper construction is made from innovative and light microfiber material that is flexible and abrasion resistant Light microfiber on front and rear bellow gives more comfort on the flexible area Toe box is made of synthetic material for high abrasion Extended PU synthetic gaiter helps seal out excessive water and dirt entry Contoured TPU calf protector plate, TPU higher medial protector, TPU outer lateral ankle