Motorcycle Gear Fit Guides
Plain answers to the question every rider asks before ordering gear online: what size do I actually need? Every claim links to its source.
Alpinestars jackets use Euro sizing and many riders size up. Here's how to read the chart, when to go up a size, and what to measure first.
Dainese Sizing: Converting Euro Sizes to USDainese jackets are labeled in Euro sizes that run 10 above US sizes. Conversion table, short and tall sizing, gloves and boots.
Klim Jacket Sizing: Does Klim Run Large?Klim uses US letter sizes with a roomy, layer-friendly cut. Here's the chart, what owners say about sizing down, and why you should check each model.
Shoei Helmet Sizing and Head ShapesShoei sizes run in 2 cm steps and most models use an intermediate oval shape. How to measure, the size chart, and the Hornet X2 note.
REV'IT! Sizing Guide: Jackets, Pants and GlovesREV'IT! uses European cuts and product-specific size charts. How to measure, which number decides your size, and the glove chart.
How to Measure Yourself for Motorcycle GearA plain, step-by-step guide to measuring chest, waist, hips, inseam, arm, hand and head for motorcycle jackets, pants, gloves and helmets.
Gaerne Boot Sizing: Do Gaerne Boots Run Small?What Gaerne's own EU-to-US chart says, what riders report about SG-12 length, toe box and calf room, and how to pick your size.
Size charts change. Always check the chart on the exact product page before you buy. Last checked October 15, 2026.