4D Self-heated Insoles Feet Massage Super Soft Latex Sports Insole Shoe Winter Warm Men Women Arch Support Orthopedic Inserts Unisex

Self heating, no charging

Nano constant temperature heating fabric
Wool 30% thickened for warmthAcupoint massage to alleviate fatigue

60% Safe | 70% foot fittingSuper soft sponge breathable sole

Good pressure resistance and fast reboundDescribe:

1. There is a high-density and high-foam shock-absorbing layer, which can accelerate rebound and shock absorption, which is helpful for better exercise or walking.

2. High-quality design: raised dots, acupoint massage, massage the soles of the feet anytime, anywhere, relieve foot fatigue. Provides great comfort to your feet when you walk or stand for long periods of time.

3. Effectively support the arch, reduce regional pressure, and facilitate arch fatigue and pain

4. Used in various sports shoes, such as baseball, running, rock climbing, golf, basketball, etc.