MET Sine Thesis Helmet

1,350.00 AED

Comfort and performance, and unbeatable visibility

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Product Description

  • In-Mould Intelligent Fusion construction – Exclusive technology developed by engineers in our Research and Development laboratory. In-mould construction involves fusing together in the same matrix the two parts of the helmet shell (the interior which is generally black or grey polystyrene and the coloured polycarbonate exterior) during the moulding process. This construction technique provides better shock-absorption results than the Twin-Shell at equivalent volume and material density. Thanks to the In-mould Intelligent Fusion process, MET goes even further by using different densities of material depending on the characteristics of each model to improve the weight/volume ratio while optimising the shock absorption capacity.
  • ICE Lite construction – Exclusive technology developed by engineers in our Research and Development laboratory. An exoskeleton of ICE Lite composite material unifies the three distinct elements which make up the helmet’s structure. Inspired by animal carapaces, the concept when combined with In-mould construction leads to outstanding structural performance. The specific shape of the deflectors (the visible part of the skeleton) directs maximum air flow towards the interior of the shell helping make Sine Thesis the most ventilated helmet ever designed according to the German magazine Road Bike after a comparative performance test.
  • Gel 02 anti-allergenic interior pads – Exclusive technology developed by engineers in our Research and Development laboratory. Originating from the medical industry, it is hypo-allergenic, anti-bacterial, made from thermo-stabilising polyurethane morpho-gel. Gel 02 holds the helmet snugly in place thanks to its natural capacity to adapt its shape to fit the head. With superior hygiene, a much longer lifespan, its thickness remaining stable over time,… the GEL O2 pads offer so many advantages that they will permanently change your idea of helmet comfort. Instead of absorbing the perspiration, the front pad sends it to the sides of the face and help to keep the head cool, a key factor not only for comfort but also for the cyclist’s performance. Hand washable.
  • Safe-T Smart – Exclusive technology developed by engineers in our Research and Development laboratory. Occipital retention system. Its role is to ensure that the helmet is held firmly on the head. A dial at the back of the helmet for easy one-hand size adjustment. The internal mechanism was designed for precision and reliability. The Safe-T Smart also includes a vertical adjustment to position precisely where the helmet touches the head. Thanks to the broader and lighter contact area, the pressure on the head is distributed in a homogenous way for added comfort.
  • Reflective rear stickers – Being visible is essential to the safety of a cyclist. At night or in tunnels, the reflective sticker placed at the back of the helmet makes the bike visible to drivers approaching from behind.
  • KevlarTM straps – Exclusive technology developed by engineers in our Research and Development laboratory. Although improving performance is often at a cost to comfort and vice-versa, this is not the case with our exclusive KevlarTM straps. Ventilated, with breathability, ever lighter and ultra-resistant they have numerous advantages over traditional straps.
  • Embedded straps – Anchoring points which provide dual benefits. In the event of a crash, the tensile stress that the straps place on their anchoring points can be violent. The fact that the Sine Thesis Ice Lite’s anchorage points are embedded in the polystyrene and not attached above the shell means that the straps’ tensile stress is more evenly dissipated. The technical choice to embed the strap anchoring points in the mass creates extra difficulties from a construction perspective, but it improves the aerodynamics of the helmet by leaving the exterior of the shell free from anything which might perturb air flow.
  • Strong-fit lateral dividers – Exclusive technology developed by engineers in our Research and Development laboratory. For a helmet to be fully protective it must be adjusted to fit securely. It must also remain secure whilst being used. MET helmets are all fitted with lockable lateral dividers (where the front and back straps meet). Positioning them correctly, in other words just under the ears, then blocking them in the chosen position is child’s play.
  • Weight: M250g.;L285g.
  • Head Contact Surface (HCS): 20%
  • Cooling Factor (CF): 10
  • Certified EN 1078.

Technologies:

MET’s Air Scale:

  • A real performance indictor of the helmet’s level of ventilation. When defining ventilation efficiency, a fundamental aspect which directly influences a cyclist’s performance, most helmet manufacturers simply indicate the number of air intakes for such and such model, implying that the helmet with the greatest number of air intakes is therefore the best ventilated. However, in reality, this indication alone does not provide any real information about the true capacity of the helmet to keep the head cool.
  • MET, on the other hand, has developed its own protocol to measure the helmet’s performance in terms of ventilation called Air Scale, which measures two fundamental parameters. The Head Contact Surface (HCS) and the Cooling Factor (CF).

Cooling Factor (CF):

  • The cooling factor is calculated using Fluid Flow Analysis. Through this very high-tech computerized analysis system particle traces are used to visualize and measure the motion of mass-less particles that are placed in a flow field. In our case we measure the velocity and temperature of the air as it goes through the helmet in order to rate each helmet accordingly to its capacity of keeping the head cool. The higher the Cooling Factor, the cooler the head.

Head Contact Surface (HCS):

  • The Head Contact Surface indicates in percentage how much of the head is in contact with the helmet. It is easy to understand that where the head is in contact with the helmet there is no room for the air to circulate. The HCS provides a key information to rate a helmet ventilation. The lower the HCS, the better the ventilation.

Aerodynamics.

  • As well as gravity, cyclists have to contend with a high level of drag force. Drag slows down any forward movement. The helmet is a key element when considering a cyclist’s aerodynamics. When moving, a helmet deforms the airflow around it like the wing of an airplane. The shell of the Forte has depressions which positively modify drag force and influence the behaviour of the boundary layer (interface between the helmet and the air around it), a fundamentally important aspect of fluid mechanics – aerodynamics.

Additional information

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  1. If you're not completely satisfied with an item ,apart from clothing you may return it within 28 days of purchase, and as long as the item isn't fitted or used we're happy to receive it back for a refund or a credit against future sales .The item must be unused and in its original packaging.
  2. If any clothing does not fit, then it must be returned in its original packaging within 7 days of delivery
  3. No clothing that has been used will be refunded
  4. We reserve the right to reject the return of goods which are not returned in accordance with our Returns Policy and we may request that you pay for the shipping of such goods back to you.
  5. Return shipping costs are non-refundable. If the item is being returned as a result of our error, (damaged, defective, wrong item sent etc.), we will refund the costs for shipment.
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