A new addition to the to Alpinestars class-leading SMX range, the SMX-S Waterproof is constructed from a durable microfiber that incorporates class-leading performance and protective attributes as well as a breathable and waterproof membrane.CONSTRUCTION

Durable microfiber upper construction offering superb levels of flexibility and comfort

Incorporating a waterproof and breathable membrane for high levels of comfort and weather performance

Ergonomic new last for forefoot streamlining to enable greater precision on the bikes controls and for superior, wide-ranging foot profile, fit and comfort

New, ergonomically optimized TPU shin plate protector is race derived for superior impact and abrasion resistance

Lateral TPR-injected ankle support construction offers optimized levels of protection and stability

TPU double density ankles protectors are layered under the upper in both lateral and medial side for excellent all-round levels of protection

Integrated, replaceable bi-injected TPU slider features new easy no screw fixing concept for quicker and easier replacement

Shift pad made from TPU incorporates technical texturing for protection and grip

Medial side entry opening/closure system features elastic-mounted zipper with wide Velcro closure for flexibility and secure fit

The aperture opening is large to promote easier entry/exit

Internal toe box protection is layered under the upper for durability, improved feel and performance

New, dual compound removable anatomic footbed includes EVA and Lycra for performance, comfort and support

Alpinestars new and exclusive compound rubber sole promotes improved feel and grip, water dispersion and durability

SMX-S Waterproof Boot is CE certified