ADV Motorcycle Gear Size Chart Comparison
Adventure brands do not share one size system. This page summarizes what our published guides cover—always follow the linked sources.
| Brand | System | Yardstick guide |
|---|---|---|
| Alpinestars | Euro numeric (jackets); often runs small per rider reports | Does Alpinestars run small? |
| Dainese | Euro ≈ US+10 on RevZilla's chart | Dainese Euro to US |
| Klim | US letters; roomy/layering cut | Klim jackets · Klim pants |
| REV'IT! | European cut; product-specific charts | REV'IT! guide |
| Shoei | 2 cm head steps; intermediate oval | Shoei helmets |
| Aerostich | US chest inches; Short/Regular/Long | Aerostich sizing |
| Gaerne / Sidi | EU boots; model charts | Gaerne · Sidi |
Start with how to measure yourself, then open the brand guide. Yardstick's matcher uses the same measurements plus verified fit bias where we have sources (fit data on the home page).
Measure once. We'll do the chart math.
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