Hotronic Unisex XLP PFI 30 Classic Thin Heat Socks Only | Gentle Compression Foot-Warming Heated Cold-Weather Winter Socks

HOTRONIC XLP PFI 30 CLASSIC THIN HEAT SOCKS - SOCKS ONLY (01-0100-350): The Hotronic XLP PFI 30 Classic Thin Heat Socks are engineered for extreme cold-weather performance, combining advanced heat-ready design with exceptional comfort and support. Developed with Hotronic's advanced foot-warming technology, these lightweight winter socks provide extended warmth and gentle compression (5-10 mmHg), supporting circulation without restriction. Compatible with Hotronic XLP heating elements (Sold Separately), these unisex winter sports socks serve as a reliable backup or extra pair for long days outdoors. The sock is designed with integrated Classic heating zones that focus warmth beneath the toes and ball of the foot when paired with compatible heating elements. The double-cuff construction ensures a secure and stable fixing point for the heating system. Built around Power Fit Technology, the PFI 30 delivers smooth, graduated compression for improved comfort, foot stability, and fatigue reduction. Added shin protection and a pre-installed wire keep the sock snug in tall or rigid boots, while the anatomically contoured design provides controlled compression and reliable support. Crafted from a high-performance 80% nylon, 20% Lycra/Spandex blend, the thin, streamlined construction offers a snug, boot-friendly fit, optimal foot climate, and excellent breathability and moisture transfer, making these socks a versatile, high-performance choice for winter sports and cold-weather outdoor activities.

• EXTENDED COLD COMFORT - Developed with Hotronic's advanced foot-warming technology, the XLP PFI 30 Classic Thin Heat Socks deliver extended warmth in cold conditions & gentle compression while maintaining a lightweight feel; Compatible with Hotronic XLP heating elements (sold separately), these cold-weather socks integrate easily as a backup or alternate pair in your winter gear lineup
• HEAT-OPTIMIZED DESIGN - These cold-weather socks feature integrated Classic heating zones that concentrate warmth directly beneath the toes and ball of the foot, delivering focused heat coverage when paired with compatible heating elements; The double-cuff construction provides a secure, stable fixing area for the heating system, helping maintain fit & comfort
• GENTLE COMPRESSION - Engineered with Power Fit Technology, the foot warming socks provide gentle, light compression (5-10 mmHg) that supports circulation without constriction; The Power Fit Index of 30 ensures smooth pressure distribution for improved comfort, foot stability, and fatigue reduction
• ENHANCED STABILITY, SUPPORT & COMFORT - Added shin protection improves comfort inside tall or rigid boots; The pre-installed wire hugs the leg snugly, keeping the sock in place, while an anatomically contoured shape and thick construction deliver stability, support, and controlled compression for winter wear
• HIGH-PERFORMANCE FABRIC - These cold-weather heat socks are crafted from a high-performance blend of 80% nylon and 20% Lycra/Spandex, delivering a snug fit; The thin, streamlined construction ensures comfort inside boots, while the functional material provides optimal foot climate, excellent breathability, and ideal moisture transfer