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Enjoy the impressive ventilation, refined retention system, and the lightweight build of Lazer's Z1 Helmet. Benefiting from the feedback of supplying some of the fastest cyclists in the world with head protection, the Belgian manufacturer builds the Z1 to check all the boxes when it comes to style, safety, and comfort. At first glance of the Z1 reveals a contemporary high-performance road helmet with a deeper shell structure along the temporal zone. Lazer calls it T-Pro or "temporal protection," meaning it adds material around the temples, which then cuts away at the frontal zone to keep your vision unobstructed. Constructing this area, along with the rest of the lid, is Lazer's proven RBS (Rigidity Brace System). Lazer likens it to a car's roll cage, in that during a crash it helps keep the cracked EPS intact to provide some additional protection. In terms of ventilation, the Z1 has 31 strategically placed vents, allowing massive doses of cooling air to flow in the front of the helmet and over the head, before exiting out the back. Not surprisingly, the numerous and large ventilation design contributes to the Z1's claimed 190-gram weight in a size small. Lazer also spent time rethinking its retention system, which now adds even more adjustability for an ultra-precise fit. Called the ARS (Advanced Rollsys System) it features a top-mounted dial connected to a band that tightens symmetrically, evenly distributing pressure across the head. Furthering this is its "head basket" cradle at the back of the head, featuring five up and down positions for an optimal hold.