What equipment is essential for a dry suit dive?

The essential equipment for a dry suit dive includes a dry suit itself, which is specifically designed to keep the diver insulated and dry while submerged in cold water. Additionally, wearing appropriate undergarments is crucial as they provide thermal protection and comfort within the suit. Regulators are necessary for breathing air from your tank and function correctly within the dry suit environment. Weights are also important to achieve neutral buoyancy and help the diver descend properly in the water.

Other choices include equipment that does not pertain to dry suit diving, such as wet suits, which are not suitable for dry suit diving conditions, as they allow water in and provide no insulation from cold water. Items like a dive computer, while useful in diving overall, are not exclusive necessities for a dry suit dive, and accessories like a dive knife may be useful for general diving but are not essential to the dry suit diving experience itself.