Oceanic Lavacore Men's Short-Sleeve Shirt - for Scuba, Snorkeling, and Water Sports Water resistant outer layer on all lavacore suits facilitates fast water run off and is incredibly quick drying. Wind proof middle layer provides anti wind chill properties and ensures you stay warm in cold conditions. Antibacterial inner fleece minimising odor and eliminating bacteria. 4-way stretch makes Lavacore incredibly comfortable to wear. Breathable middle layer allows perspiration to be drawn away in hot conditions.