Lenz Heat Sock 1.0 Unisex + Lithium pack 700 Battery Sets Size:EU 39-41 The lower part is transverse

The lower part is transverse direction lens that can reduce the intrusion of ultraviolet light and wind effectively

MAIN LINING: 95% Polyester 5% Elastane

The collar is made of soft

Features: The stylish motif and neon lights in matching colors give it a very sophisticated look

Lenz Heat Sock 1.0 Unisex + Lithium pack 700 Battery Sets Size:EU 39-41 The lower part is transverseHeat sock 1. 0 Designed in Austria Made in Italy Soft Seam Knee Highs Moisture Management Ergonomically Shaped Lithium Pack 700 Battery Designed in Austria Made in China Warm Feet up to 4hrs Max temperature 55C 131?? br> Heat sock 1. 0 3 Heat Level with Integrated heating element(Depends on different model of lithium pack) Heat Control with the Lenz Lithium pack(Depends on different model of lithium pack) Comfort Cuff Achilles tendon Protector Insole