ALBA OPTICS DELTA ULTRA IV UNNA reducing environmental impact without compromising

reducing environmental impact without compromising technical quality

The new COOLmatic | PLUS FLOWmesh™ is integrated into the top panels to offer targeted ventilation where it's needed most

while the carbon Speedboard® flexes to snap you forward

It's the perfect balance between aerodynamics

capable of transitioning from trail to asphalt

ALBA OPTICS DELTA ULTRA IV UNNA reducing environmental impact without compromisingThe Delta Ultra IV evolves Alba Optics' iconic design for long distance. The hand finished Tr90 frame is combined with the new VZUM Super Alu lens, 10% smaller than the original to optimize weight and ventilation: the hyper reflective mirrored treatment reduces glare, ensuring a 360 panoramic view and absolute clarity on the trail. Weighing only 26 grams and featuring ergonomic temple tips, it is the ultimate tool for those seeking boundless