Design and function are completely unified in this helmet: the visor can be opened and closed with just one hand. The nose pad is anatomically shaped and fitted perfectly to the planes of the face, from the nose all the way to the ears. Above all else, this guarantees good ventilation and increased comfort, with no pinching or poking. With uvex IAS-3D-System, the hard shell helmet can be adjusted to fit the exact width and height of the individual head.The uvex hlmt 500 visor also allows corrective glasses to be worn underneath with no problems. The visor protects against 100% of UVA, UVB and UVC radiation. The tried-and-tested uvex antifog coating prevents fogging of the spherical visor during adverse weather conditions and provides clear vision at all times. The variomatic® visor automatically adapts to the prevailing light conditions.Features: - Category: B- Helmet type: recreational / visor- Construction: hardshell- Adjustment: IAS 3D 3.0- Ventilation: active- Equipment: removable lining / vent system / anti-allergenic helmet liner- Material: ABS / EPSSpecifications:- Weight: 600 gTechnology: Hardshell:- The helmet consists of a hard outer shell and an inner EPS layer. An effective safety combination makes the helmet resistant to external impacts and the inner layer absorbs them. For maximum safety and maximum comfort.IAS 3D- The sophisticated IAS 3D system provides optimal helmet size adjustment to different head sizes and shapes by simply turning the adjusting wheel. The space inside the helmet adapts to the height and circumference of the head.Vent system:- Specially designed ventilation ducts draw in fresh air and dissipate warm air. This prevents unpleasant heat build-up inside the helmet.ABS:- Helmet outer material. Effective against impact. Specifications.EPS:- Inner material helmet_ Microscopic air chambers absorb the impact force.