Expansive single-lens shield increases peripheral view and UV protection, Megol® rubber nose pads and temple arms for superior fit and comfort, Enhanced space between lens and face increases airflow to prevent fogging, Temple arm scoops form a secure fit to your head and manage moisture, Wraparound design reduces movement on your face, Lower air scoops increase ventilation while reducing moisture on the lens, Designed with a shorter lens profile and more compact nose bridge, With the exception of the lens air scoops, the XS model maintains the same high-performance features as the Speedcraft, Speedcraft XS models are 15% smaller than Speedcraft SL