Giro Synthe MIPS Helmet Review [2021]

  • Bikes
giro synthe helmet

There is no law that forces cyclists of any age to wear a helmet. Cycling without one, on the other hand, is dangerous. Regardless of what the laws say, if you don’t want to injure your brain in a crash, you should wear a safe and well-fitted helmet.

However, not all cycling helmets are the same. They are built with various specifications depending on the rider’s needs, such as regular road cycling helmets for everyday commuting, mountain biking helmets for trail and enduro adventure riding, or aero helmets for competitive cycling.

The Giro’s cycling helmet range has a semi-aero lid, the Synthe MIPS, that performs a dual purpose to make crash protection technology more comfortable.

You don’t need to buy different helmets for race days and road riding if you have a Giro Synthe helmet. Unlike many old aero designs, Giro Synthe is the latest generation aero road helmet that offers minimal drag with optimum ventilation. In addition to the latest MIPS technology, you get the benefits of aerodynamic performance, great cooling power, and ultra-low weight in one sleek package.

The Synthe MIPS is Giro’s top-of-the-line entry-level Helmet, used by professionals including the BMC pro team. 

From its feathery lightweight and striking aerodynamic design to the latest developments in head protection, the Synthe MIPS is a step forward in cycling helmets.

Giro Synthe MIPS Features Review

Let’s take a closer and in-depth look at what this premium helmet has to offer.

Shell Construction & Durability

The Giro Synthe MIPS offers a perfect blend of style and protection with its quality construction and semi-aero design.

Its sleek outer shell is polycarbonate that provides a durable skin to help protect the EPS foam liner which manages impact energy. These two pieces are fused in the manufacturing process called In-mold that removes adhesives or hardware, reducing weight and enhancing the durability of the helmet.

A standout feature that raises Giro Synthe MIPS above more basic helmets is the Thermoformed SL Roll Cage reinforcement. It is a light but hard web of reinforcement that is molded invisibly within the helmet’s EPS foam, helps to maintain the helmet in a position by inserting a second shield of structural defense against high-energy impacts.

This added technology also enables manufacturers to carve the largest vents possible without compromising the helmet’s strength and durability.

Safety Features

Giro has been evaluating the MIPS technology for years to enhance the protective capability of its helmets in certain impacts.

This newest MIPS technology is also available in the Giro Synthe helmet. An internal foam lining, a low friction liner, and an elastomeric attachment system are three key components of a helmet with this technology. The system works by stretching the elastomeric attachments in an angled impact, allowing the interior foam liner to rotate independently around the rider’s head and redirect the impact energy.

Even though the system only moves a few millimeters, Giro testing shows that this technology provides 10% more head protection than standard, non-MIPS helmets by improving the rotational impact energy absorption capacity of a helmet.

The Synthe MIPS also provides extended rear coverage, which better covers the back of your head if you fall.

Chin Strap

The Giro Synthe MIPS helmet chin straps are made of a thinner and lighter webbing that lay flat against the face to provide a comfortable feel. They also provide a better fit to secure the helmet’s position on your head.

The small and lightweight Y-buckle is designed to make on-the-fly adjustments while providing a consistent and comfortable fit throughout your ride.

Fit and Adjustability

To improve adjustability, the Giro Synthe helmet uses a Roc Loc Air fit system. Unlike most helmets, this Roc Loc Air retention system provides ample adjustments for both circumference and height, to ensure a snug fit all over the head.

This Roc loc Air fit device provides micro-adjustments that can be obtained through an adjustment dial at the rear side of the helmet, allowing you to get a custom fit tension around your head with one hand.

It also boosts the cooling capacity by suspending the helmet over the top of the skull, allowing airflow to pass freely over the rider’s head.

Overall, Giro Synthe MIPS is a helmet that fits 99% of the world’s population yet looks and fits as if it was custom-made just for you.

Ventilation

Giro Synthe MIPS helmet is constructed by utilizing the company’s own Wind Tunnel ventilation system. Its intricate design incorporates 26 active vents in the helmet’s shell with exhaust channels within the helmet to drive fresh, cool air over and around the rider’s head while removing heat and warm air to maintain the right airflow throughout the ride.

The aerodynamic profile of Synthe MIPS, along with its aero mesh covers, minimizes drag up to 14%, ensuring an excellent high-speed airflow.

Besides, the helmet’s deep internal channeling and Roc Loc Air retention system create the most efficient cooling system for an aerodynamic helmet, so every time you ride, you can feel the difference.

Weight

The Giro Synthe MIPS helmet weighs only 250g making this semi-aero lid far lighter than a traditional aerodynamic helmet.

Although the MIPS liner makes this helmet a bit heavier than many other helmets available in this price range, that can be justified with the added impact protection.

Synthe MIPS in-mold construction also accounts for weight cutting along with its exposed EPS foam. The exposed EPS foam is not a great adapt and may decrease the durability of the helmet. 

But overall, when it comes to fast riding in this helmet, Giro Synthe MIPS assures you won’t feel any burden on your noggin.

Comfort

Giro Synthe MIPS is a premium semi-aero helmet, designed to provide excellent comfort for both everyday touring and race day biking.

This helmet is fitted with multiple features to make your long rides comfortable including its internal Coolfit Antimicrobial Padding and Slimline Webbing that avoids skin irritation and keeps you dry in hot and humid weather. The forehead Padding also works well to get the sweat out of your eyes.

The Roc Loc fit system keeps the helmet suspended over your head so you can’t feel the helmet on unless you press it down. This will provide extreme convenience plus great airflow that increases breathability. The full-circumference headband of this system provides even pressure around the head, preventing any pressure point on your skull. Chin straps with adjustable Y-buckles make it easy to dial in a perfect fit.

Giro Synthe MIPS signature aero mesh side panels enhance ventilation with improved aerodynamics and offer a perfect docking port for your eyes. Also, the front vents of the helmet are dedicated to sunglasses storage.

Price

With a price tag of $180 for a medium-size helmet, Giro Synthe MIPS isn’t the cheapest option available but provides far better quality than other helmets available in this price range.

The high price tag of the Giro Synthe MIPS helmet can be justified by its lightweight, aerodynamic, well-ventilated, and comfortable design, which makes it ideal for both daily commuting and competitive racing.  

You will surely get a lot of value for your money if you invest in this MIPS-equipped helmet.

Specifications at a Glance:

  • Shell: Polycarbonate material

  • Construction: In-Mold Construction with Thermoformed reinforcement

  • Inner Material: EPS Foam with Aero Mesh

  • Impact Safety: Integrated MIPS

  • Interior Padding: Coolfit Antimicrobial Padding with Slimline Webbing

  • Fit System: ROC LOC Air Fit Retention System

  • Chin Strap: Nylon Strap

  • Ventilation System: 26 Wind Tunnel Vents with Internal channelings

  • Goggle Compatibility: Full Goggle Compatibility with Strap Grippers

  • Certifications: CE EN 1078 and CPSC Certified

What do we like most?

  • Aerodynamic Design
  • Lightweight
  • Well-Ventilated
  • Highly Adjustable Fit system
  • Sunglasses Grippers
  • Increased back coverage for added protection
  • Low wind noise

What we don’t?

  • Small Adjustment Dail
  • High Price tag
  • Exposed EPS Foam

Final Thoughts

From everyday road cycling to professional race day biking, Giro Synthe MIPS is the helmet you need to get the best experience of your rides. With its low profile, advanced safety features, and great ventilation system, there is no need to choose between aerodynamics and cooling power. 

Your satisfaction and protection will be guaranteed with this Giro Synthe MIPS helmet that provides comfort, safety, ventilation, and aerodynamic properties all in a single lid.

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