ALPINESTARS Faster-3 Drystar® Shoes - Black/Gray/Yellow - US 7 2540719175-7 Heavy Duty Inner Tube Fewer pleats than standard K&N

Fewer pleats than standard K&N air filters opens up the intake tract

Thermoformed foam collar and shoulder for comfort and structure

and morphs into 4" at the rear

Threaded cartridges have 3/8" threading

Double stitched for durability

ALPINESTARS Faster-3 Drystar® Shoes - Black/Gray/Yellow - US 7 2540719175-7 Heavy Duty Inner Tube Fewer pleats than standard K&N100% Waterproof Membrane Upper material is a combination of microfiber, PU suede thermo welded microfiber for durability and abrasion resistance Air ventilation details on lateral quarter with mesh openings for breathability TPU ankle extended into lower lateral area TPR slider detail on lateral toe box TPR heel counter design Asymmetric toe design Traditional lace closure system Tongue and collar padding Internal toe box and heel counter