Alpinestars SMX-1 R v2 Vented Boots Size:42 Pre-laundered for reduced shrinkage and

Pre-laundered for reduced shrinkage and enhanced comfort

2nd generation Smart HJC Bluetooth(R) ready

Overlocked stitching ensures superior durability and longevity

Breath Guard and Chin Curtain Included

SLID (Sliding Layer Impact Distribution)

Alpinestars SMX-1 R v2 Vented Boots Size:42 Pre-laundered for reduced shrinkage andAdvanced microfiber main upper construction Extensive perforations throughout provide maximum airflow Soft TPR heel insert allows freedom of ankle movement Ergonomic TPU shift pad Angled closure strap follows natural shape of rider's instep Front Velcro(R) closure system, with reverse zip Compound rubber sole with grip patterning Instep and Achilles accordion flex zones Thermowelded flex grooves control flexion Replaceable bi injected TPU forefoot