SIDI ST Air Boot

The SIDI ST Air is a ventilated sport touring boot built for riders who want breathable comfort without giving up protection. Italian crafted and serviceable by design, it uses replaceable components so the boot can stay in service season after season.

Key features

Replaceable shin plate: Attached with screws for sustained protection and style.
ST10 buckle system: Dual sided adjustment with a replaceable buckle and strap accommodates various leg sizes.
Ventilated ankle support: Nylon braces with hidden screws provide support and flex while an integrated air intake keeps feet cool.
Comfort details: A small elastic panel ensures smooth zipper operation over the ankle.
Customizable sliders: Options available in nylon, ceramic or aluminum inserts.
Shock absorbing shell: Polyurethane shell with an insert that allows 3 mm of impact movement for protection and comfort.
Durable rubber sole: Exceptional grip and long lasting durability in various conditions.

Size chart

Sizes on this page are listed in US sizing. The chart below shows the European equivalent for each size.

US SIZE	EU SIZE
6	39
7	40
8	41
8.5	42
9.5	43
10	44
11	45
11.5	46
12.5	47
13.5	48
14	49
15	50

Fit note: Use the conversion as a guide and allow for the socks you normally wear while riding. Protective motorcycle footwear can feel firmer than casual shoes.