prolimit fleecefodrad neoprenvast1. 5mm thick neoprene vest with fleece lining for maximum warmth. This neoprene vest is a perfect garment to use as an extra layer under your wetsuit on the colder days of the year. Alternatively, use it as the only garment for extra warmth and protection from the wind. This way, your 4 3 suit becomes more like a 5 3 wetsuit as this vest warms exactly where you need it and the hood makes it a safe choice for early spring and autumn activities on the