The Fourth Element Xerotherm Drysuit Socks offer exceptional thermal protection, moisture management, and low-profile comfort under your boots. Crafted from NASA-developed Polartec® Powerstretch® fabric, these high-performance base layer socks feature ultra-fast wicking technology that pulls moisture away from your skin to maintain an insulating layer of dry air. Thin enough to layer under heavier undersuit socks or wear as standalone thermal protection inside neoprene drysuit boots, they keep your feet warm, dry, and comfortable throughout your dive.

Key Features & Performance Design

• Lightweight Warmth: Provides high-performance thermal insulation without adding unnecessary bulk inside tight drysuit boots or fins.
• Low Bulk Design: Ultra-compact fit ensures effortless foot movement and eliminates bunching inside your dive boots.
• Single Layer High-Wicking Fleece Fabric: Draws sweat and condensation away from the skin instantly, spreading moisture across the outer surface to maintain a warm layer of insulating air next to your skin.
• Flatlocked Stitching for Comfort: Smooth, flatlocked seams eliminate pressure points, chafing, and hot spots during long dives.
• Versatile Thermal Layering: Can easily be layered under another pair of socks (such as the Fourth Element Arctic Socks) for extreme cold water or worn on their own under neoprene drysuit boots.
• Proven Technical Pedigree: Trusted worldwide by commercial divers, police search teams, and extreme cold-water expedition divers.

Technical Specifications

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