How to Measure for a Helmet

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Whether you ride a bike, play games softball, Whether you're riding a motorcycle or getting ready for your first American football practice, a helmet protects you from head injuries.However, this device can only do its job if it is the right size for your head.The most common method to determine the size is to measure the circumference of the head, but nothing can replace some tests done in the store with or without the help of a sales assistant.
Part 1
Part 1 of 3:

Measure the Circumference of the Head

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  1. Step 1 Valuta la forma.
    You need to consider the shape of the helmet before measuring the size.This is a very important detail, especially if you are looking for a model for the motorcycle.There are three main types that differ in shape:rounded oval, intermediate oval and elongated oval.This factor is decisive for most head protection devices, although it is fundamental for those for motorbikes and bicycles.[1]
    • Elongated oval models have an anteroposterior length greater than width.
    • Intermediate oval helmets are slightly longer than wide and are the most common shape.
    • The rounded ovals have an antero-posterior and lateral dimension almost identical to each other.
  2. Step 2 Avvolgi la testa con un metro flessibile da sarta.
    You should place it just above your eyebrows, making sure that it is flat on the skin and not curled;it should be parallel to the ground all the way around.[2]
    • It's not easy to take this measurement on your own, so ask a friend or family member to help you;alternatively, use a mirror to keep the tape measure aligned.
    • If you are doing it alone, cross the ends of the tape measure on your forehead to be able to read the value better.
  3. Step 3 Leggi il dato riportato sul metro.
    Detects several values ​​and considers the largest one;write down all the measurements so you can remember them when you go to the store to choose the case.[3]
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Part 2
Part 2 of 3:

Try on a helmet

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  1. Step 1 Determina il tipo di casco.
    The choice depends on what you want to use it for.Each device is designed to withstand specific types of impact forces, which are unique to various sports.For example, don't wear a bike helmet when climbing or a baseball bat's helmet when riding a motorcycle;in some cases, multiple models are available for the same sport, as happens with cycling.[4]
    • Mountain bike helmets are specifically designed to withstand possible impacts in off-road environments.
    • A racing bike helmet is lightweight and compact to offer aerodynamic benefits.
    • The one for BMX is built to withstand the stresses typical of a race of this type.
    • A walking helmet does not have advanced technical features.
  2. Step 2 Scegli la misura del casco giusta per la circonferenza della testa.
    Most are designed to fit different sizes within a certain range.Almost all manufacturers indicate compatible head circumferences on the helmet itself or on the packaging.You may notice the size symbol – small (S), medium (M) or large (L) – which refers to a table showing head circumferences.
  3. Step 3 Provalo.
    Wear it before you buy it to make sure it fits properly.It should cover both the forehead and the back of the head.If you shake your head with the helmet on, it should not move in any direction.If someone puts a hand on the top of the helmet and tries to turn it, the head should be forced to follow the movement;if the device rotates freely on your head, it is too loose.
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Part 3
Part 3 of 3:

Inspect the Helmet Before Use

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  1. Step 1 Regola la cinghia...
    Adjust the strap Type_of_chinstrap chinstrap. If your helmet type needs to be secured with this strap, please check it before use.It should be snug without pinching the skin and should not interfere with breathing, the ability to swallow or speak;at the same time, it shouldn't be so loose that you can insert a finger between it and your chin.
  2. Step 2 Prova ad aggiungere altra imbottitura.
    Many helmets come with removable padding that can be washed after use for hygiene reasons.Sometimes, it is also possible to buy extra padding, but you should only do this if the helmet does not fit properly and snugly.[5]
  3. Step 3 Ispezionalo prima di usarlo.
    Check it or have it examined before wearing it;It must not be cracked, there must be no pieces of foam missing and there must be no damage of any kind.If you notice any cracks, do not use the helmet;instead take it back to the store or send it back to the supplier.[6]
    • If you must return it, do not ride a motorcycle, bike or practice your sport until you are given a new helmet.
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Advice

  • If possible, consult the manufacturer's sizing chart before trying on helmets.
  • Most helmets are unisex, but some, especially softball helmets, are available in a women's version with a hole at the back of the neck to allow hair gathered in a ponytail to pass through.
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Warnings

  • Don't ride a bike, ride a motorcycle, or play a sport like baseball without a helmet or with one that doesn't fit your head, or you risk injury or even death.
  • You should only use the right helmet for your head size;it is dangerous to rely on the one suitable for another person.
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