In cave diving and occasionally shipwreck diving, line markers are used for orientation as a visual and tactile reference in a permanent guide. We commonly speak of an acute isosceles triangle with notches on the basic outline), also known as line arrows or Dorff arrows, and point the way to an exit.

Women's short-sleeved shirt with round double-necked collar 1x1 covers reinforced seams on neck and shoulder side seams.
it's all cotton.
Smooth point.
155 g/m2.

Casual diving shirts made in Spain one by one. I'm sending it for free. Original and fun designs for lovers of this underwater sport. T-shirts made of high-quality cotton. With fish designs, sports material or slogans. Unique designs with digital printing. My own illustrations. Original and personalized gift. Buy the best T-shirts online.