RUMBLE from Red Bull SPECT Eyewear is the perfect choice for cyclists who don't compromise. The glasses are lightweight, flexible and offer a perfect fit thanks to individually adjustable, rubberized temple tips. With I°BOOST technology (available in RUMBLE-001IBX, RUMBLE-002IB, RUMBLE-003IB), they ensure clear vision in changing light conditions. The RUMBLE-001IBX model also scores points with CHROM°X and automatic tinting (CAT 1-3).Lens Category:RUMBLE-001IBX = 1-3RUMBLE-002IB = 3RUMBLE-003IB = 2RUMBLE-004 = 3RUBLE-005 = 3