What is a 4.
A 4/3 mm wetsuit, also called a 4. It features 4mm neoprene in the torso for warmth and 3mm in the arms and legs for flexibility. A 4/3 suit is also a good choice for temperatures ranging from 8°to 11°Celsius (48° -54°Fahrenheit), but in those conditions, you can also go for the added warmth of […]
