The LEATT MTB Velocity 4.0 Goggles are tested and certified for ballistic security according to ANSI Z87.1-2015 and MIL-DTL-43511D standards. They also comply with the PPE Directive (EU) 2016/425. Designed with a ventilated MTB frame for maximum airflow, these goggles feature a WideVision 170° anti-fog lens that provides an unobstructed view. The goggles come equipped with a MaxiVent ventilated, 40mm non-slip head strap for a secure fit. Additional features include a permanent anti-fog function and compatibility with full-face helmets and glasses (OTG). The foam around the face is two-layered and sweat-resistant, ensuring comfort during long rides. The materials used include 45% TPU80, 22% Polycarbonate, 28% Polyester, and 5% Polyester Sponge, making them durable and long-lasting. These goggles are ideal for off-road adventures, whether it's Motocross, Enduro, or Downhill biking.