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The Giro Coalition Spherical sets a new benchmark for lightweight full-face protection. Featuring Spherical Technology powered by Mips, a protective Halo System chinbar, and best-in-class ventilation, it offers heavyweight safety at 810g.
The Giro Coalition Spherical sets a new benchmark for lightweight full-face protection. Featuring Spherical Technology powered by Mips, a protective Halo System chinbar, and best-in-class ventilation, it offers heavyweight safety at 810g.
Giro

Giro Coalition Spherical MTB Helmet in Open Green

£229.00 £320.00 28% off
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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Giro Coalition Spherical MTB Helmet in Open Green

Season:All Year Round

Brand:Giro

Code:38938-E01

The Giro Coalition Spherical sets a new benchmark for lightweight full-face protection. This helmet combines Spherical Technology powered by Mips and Progressive Layering featuring both EPP and EPS foam, with best-in-class ventilation and the added protection of the innovative Halo System chinbar. Giro designed an impressively lightweight full-face helmet that still provides heavyweight protection. At 810 grams (size M/L), this NTA-certified MTB helmet packs the punch of Spherical Technology while Progressive Layering optimizes management of both high-speed and low-speed impacts. The helmet delivers best-in-class cooling power by pairing massive front intake ports with efficient rear exhaust vents via deep internal channeling.

The most impressive innovation lies inside: the Halo System combines a chinbar with Pebax, a material engineered to provide the perfect range of flex and rigidity, and elastomeric bushings that are integrated into the EPS to absorb and dissipate kinetic forces. The result is a helmet that exceeds standard chinbar deflection certification testing by almost 2x. Comfort is maximized with the DryCore sweat management brow pad, IONIC+ treatments to control odor, and two sets of removable cheek pads to help fine-tune fit.

Key Features

  • Halo System Chinbar: Combines a chinbar with Pebax and elastomeric bushings integrated into the EPS to absorb and dissipate kinetic forces.
  • Spherical Technology: A ball-and-socket design, powered by Mips, that helps redirect impact forces away from the brain by allowing the outer liner to rotate around the inner liner during a crash.
  • IONIC+ Padding: Uses pure silver to provide natural, permanent odor protection to keep the helmet feeling fresh.
  • Directional Snap System: Cheek pads are easily removable in case of emergency without disturbing the rider's head and neck position.
  • Optimized Ventilation: Features precise placement of intake vents and a complex Wind Tunnel venting system to allow hot air an easy escape route.
  • Breakaway Visor Bolts: Tool-free bolts engineered with an integrated Allen key receiver for easy removal and replacement.
  • Fidlock Magnetic Buckle: A pinch-free one-handed magnetic snap buckle that combines easy opening with secure snap functionality.
  • DryCore: A sweat management system utilizing an internal silicone bead to redirect moisture away from the brow.

Full Specification

  • Certification: CE EN 1078, NTA-certified
  • Weight: 810g (size M/L)
  • Material Composition: 28% EPS, 11% EPP, 14% PC, 37% Nylon, 3% POM, 2% TPU, 2% PU
  • Technologies: Spherical Technology powered by Mips, Halo System chinbar, IONIC+ padding, Fidlock magnetic buckle, DryCore sweat management
Giro Helmet Sizing Guide
Sizing Information
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