Fourth Element Xerotherm Men's Long Sleeve Top
- Exceptional Thermal Performance – Keeps you warm and comfortable during long dives or extended underwater activities.
- Lightweight & Low Bulk – Minimal weight and low buoyancy make it easy to layer under a drysuit without restricting movement.
- Ultra-Fast Moisture Wicking – Quickly draws sweat and moisture away from the skin to maintain dryness and comfort.
- Durable & Hardwearing – Designed to perform reliably even when wet, dive after dive.
- Easy Care & Machine Washable – Simple to clean and maintain for convenient, long-term use.
Stay warm, dry, and comfortable on every dive with the Fourth Element Xerotherm Baselayer. Updated with 2018 men’s and women’s fits, this high-performance base layer is designed for use under a drysuit or with an undersuit. Made from Polartec® Powerstretch®—originally developed for NASA—the Xerotherm traps a layer of insulating air next to the skin, keeping you dry, comfortable, and ready for extended underwater adventures.
WARNING: This product can expose you to chemicals including lead, which is [are] known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov


