Manual

SENTRY
Push inner temple
clip firmly upwards
with your thumb
while holding top
of mask securely
with both hands.
Once clip slides
off repeat step on
other side of mask.
Remove fastening clips
from both sides of lens
by pushing each clip from
the inside of mask with your
fingers releasing and sliding
the clip from under the lens
with your free hand.
WARNING
Check lens before each and every use. Replace the lens after one year
of use even if it seems to be perfect. Replace lens immediately if it
shows cracks or if it has received a direct impact from a ball shot
a distance of less than 10 feet (3m)