Skip to content
Free shipping on orders over $200*
Call us on 02 9262 3398
Left
Right
Boot Fitting
Returns
Search
Men's
Toggle menu
Accessories
Toggle menu
Snow Boots
Helmets
Gloves & Mitts
Goggles
Socks
Beanies
Hats
Balaclavas & Neckwarmers
Protection
Fabric Care
Belts & Braces
Clothing
Toggle menu
Jackets
Pants
Mid Layers
Base Layers
Snow Boots
Apparel
Ski
Toggle menu
Skis
Ski Boots
Ski Poles
Ski Bindings
Locks & Straps
Backcountry Equipment
Tuning Equipment
Snowboard
Toggle menu
Snowboards
Snowboard Boots
Snowboard Bindings
Stomp Pads
Spare Parts
Locks & Straps
Backcountry Equipment
Tuning Equipment
Luggage
Toggle menu
Backpacks
Boot Bags
Ski & Snowboard Bags
Travel Bags
Women's
Toggle menu
Accessories
Toggle menu
Snow Boots
Helmets
Gloves & Mitts
Goggles
Socks
Beanies
Hats
Balaclavas & Neckwarmers
Protection
Fabric Care
Belts & Braces
Clothing
Toggle menu
Jackets
Pants
Mid Layers
Base Layers
Snow Boots
Apparel
Ski
Toggle menu
Skis
Ski Boots
Ski Poles
Ski Bindings
Locks & Straps
Backcountry Equipment
Tuning Equipment
Snowboard
Toggle menu
Snowboards
Snowboard Boots
Snowboard Bindings
Stomp Pads
Spare Parts
Locks & Straps
Backcountry Equipment
Tuning Equipment
Luggage
Toggle menu
Backpacks
Boot Bags
Ski & Snowboard Bags
Travel Bags
Kid's
Toggle menu
Accessories
Toggle menu
Snow Boots
Helmets
Gloves & Mitts
Goggles
Socks
Beanies
Balaclavas & Neckwarmers
Protection
Fabric Care
Belts & Braces
Clothing
Toggle menu
Jackets
Pants
Mid Layers
Base Layers
Snow Boots
Ski
Toggle menu
Skis
Ski Boots
Ski Poles
Ski Bindings
Locks & Straps
Snowboard
Toggle menu
Snowboards
Snowboard Boots
Snowboard Bindings
Stomp Pads
Spare Parts
Locks & Straps
Toddler's
Toggle menu
Jackets
Pants
Gloves & Mittens
Brands
Search
Cart
Left
Men's
Toggle menu
Accessories
Toggle menu
Snow Boots
Helmets
Gloves & Mitts
Goggles
Socks
Beanies
Hats
Balaclavas & Neckwarmers
Protection
Fabric Care
Belts & Braces
Clothing
Toggle menu
Jackets
Pants
Mid Layers
Base Layers
Snow Boots
Apparel
Ski
Toggle menu
Skis
Ski Boots
Ski Poles
Ski Bindings
Locks & Straps
Backcountry Equipment
Tuning Equipment
Snowboard
Toggle menu
Snowboards
Snowboard Boots
Snowboard Bindings
Stomp Pads
Spare Parts
Locks & Straps
Backcountry Equipment
Tuning Equipment
Luggage
Toggle menu
Backpacks
Boot Bags
Ski & Snowboard Bags
Travel Bags
Women's
Toggle menu
Accessories
Toggle menu
Snow Boots
Helmets
Gloves & Mitts
Goggles
Socks
Beanies
Hats
Balaclavas & Neckwarmers
Protection
Fabric Care
Belts & Braces
Clothing
Toggle menu
Jackets
Pants
Mid Layers
Base Layers
Snow Boots
Apparel
Ski
Toggle menu
Skis
Ski Boots
Ski Poles
Ski Bindings
Locks & Straps
Backcountry Equipment
Tuning Equipment
Snowboard
Toggle menu
Snowboards
Snowboard Boots
Snowboard Bindings
Stomp Pads
Spare Parts
Locks & Straps
Backcountry Equipment
Tuning Equipment
Luggage
Toggle menu
Backpacks
Boot Bags
Ski & Snowboard Bags
Travel Bags
Kid's
Toggle menu
Accessories
Toggle menu
Snow Boots
Helmets
Gloves & Mitts
Goggles
Socks
Beanies
Balaclavas & Neckwarmers
Protection
Fabric Care
Belts & Braces
Clothing
Toggle menu
Jackets
Pants
Mid Layers
Base Layers
Snow Boots
Ski
Toggle menu
Skis
Ski Boots
Ski Poles
Ski Bindings
Locks & Straps
Snowboard
Toggle menu
Snowboards
Snowboard Boots
Snowboard Bindings
Stomp Pads
Spare Parts
Locks & Straps
Toddler's
Toggle menu
Jackets
Pants
Gloves & Mittens
Brands
Shopping cart
Your cart is currently empty.
Giro Men's Helmet Size Guide
Giro Men's Helmet Size Guide
Size
Head Circumference (cm)
S
52-55.5
M
55.5-59
L
59-62.5
XL
62.5-65
Schedule your time
Schedule your bundle
