NWTs Men’s Julbo Spectron 4 Shield Sunglasses. Color is Dark Blue/Blue/Green. Shield will open your field of vision and expand your mind in the mountains. The sleek, rectangular shape ensures style and boldness go together. Removable synthetic side shields block any unwanted light, Air Flow ventilation keeps fog at bay, and non-slip, curved temples and the Grip Nose ensure total security when things get bumpy. For those who climb, run and ride, Shield reflects a spirit of adventure and technical mastery.