Rider-matched picks
Size-matched helmets picks for commuters, with fit and feature priorities curated for how commuters actually ride.
Open the helmets calculatorCommuter bikes prioritize an upright position for better visibility in traffic and comfort during stop-and-go riding. Look for flat or riser handlebars that keep your eyes at car-window height, relaxed geometry with shorter reach (15-25mm less than a comparable road bike), and the ability to easily put a foot down at traffic lights without dismounting. Size for comfort and control rather than aerodynamic efficiency — you're not racing, you're getting somewhere safely. Consider slightly wider tires (35-42mm) for pothole absorption and wet-weather grip. If carrying panniers or a backpack, test the bike loaded — added weight changes handling. E-bike commuters should pay extra attention to standover height since the bike is heavier to maneuver at stops. A frame with clearance for full fenders (minimum 10mm between tire and frame) is essential for year-round commuting.
Measure head circumference at the widest point across the forehead. Most brands size: XS (50–53 cm), S (53–56 cm), M (56–59 cm), L (59–62 cm), XL (62+ cm). Kids helmets typically start at 47–50 cm. Always try before buying; fit varies by brand.
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Giro
S 51–55 cm, M 55–59 cm, L 59–63 cm
Bell
S 52–56 cm, M 56–60 cm, L 60–64 cm
Smith
S 51–55 cm, M 55–59 cm, L 59–63 cm
Poc
S 50–54 cm, M 54–58 cm, L 58–62 cm
Lazer
S 50–54 cm, M 54–58 cm, L 58–62 cm
Kask
S 50–54 cm, M 54–58 cm, L 58–62 cm
Troy Lee Designs
S 53–56 cm, M 56–59 cm, L 59–62 cm
Abus
S 52–58 cm, M 58–64 cm
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