Fourth Element SubX is the warmest underwear available for trilaminate or similar drysuit diving. SubX unique multi-layered construction using high tech fabrics makes SubX underwear waterproof, windproof and extremely warm. SubX underwear system consists of a jacket and farmer john, giving maximum thermal protection to the body core, while maintaining freedom of movement. SubX drysuit underwear is ideal for year round diving in cold and temperate waters.

Fourth Element SubX Unisex Jacket features arm vents to ensure easy air release, adjustable cuffs to prevent the sleeves from riding up when donning and a removable crotch strap to ensure that the jacket remains in place during your dive.

Please refer to Fourth Element size chart for proper fit.