The Rycote 105525 Neoprene Coated Lavalier Foam is a discreet and high-quality foam designed to slip onto lavalier microphones. It offers additional moisture protection with a specially-formulated neoprene coating, making it ideal for use in wet and humid environments. Made from open-cell acoustic foam, it provides superb pop and wind noise reduction while avoiding high-frequency loss. This foam is suitable for lav mics 2.8mm in diameter and up to 15mm in length. It is compatible with various lavalier microphones such as Rode smartLav, DPA 4061, Shure SM93, and more. The Rycote brand has a long history of providing professional microphone wind shielding and handling noise reduction solutions and is trusted by professionals in the industry.