BLOC's Chameleon mountains sports sunglasses are perfect for extreme activities. Designed to suit tough conditions.

Features:

• Transform to an all about town piece:
• Removable wind gasket
• Interchangeable arms for straight or malleable hooked rubber
• Category 4 lenses for maximum protection:
• Provide a darkened tint to give comfort where light may be at its brightest such as up high in the mountains or at sea
• Very high glare reduction
• 8 - 3% light transmission
• Distortion free, impact resistant XTR Karbon8 optical class one lenses provide maximum protection against UVA, UVB and other harmful blue light up to 400nm
• Tested to BS EN ISO 12312-1:201