Often overlooked but certainly the most important aspect of a surfing wetsuit is the seam as it's the major factor in warmth, stretch and comfort: the three main types being Flatlock, Glued and Blindstitch [GBS] and Taped/Welded. This is because a seam has the greatest impact on a suit’s overall stretch and ability to keep you warm therefore getting you out in the water all year round and for longer sessions, that’s why we wear a wetty, right?