Features:1. 4D Breathability: Memory foam shoe inserts feature 4D Cloud technology with a honeycomb perforation design that enhances air circulation and moisture management. The mesh fabric neutralizes odors, making the insoles highly breathable, quick-drying, and anti-odor, keeping your feet dry and fresh all day.2. Ergonomic Design: Arch support insoles provide targeted support for the arch, helping relieve discomfort from conditions like plantar fasciitis, flat feet, and bunions. The U-shaped elevated heel cup fits the heel's curvature perfectly, providing full support to prevent slipping while walking.3. Shock-Absorbing Material: Made of high-elastic PU material, the insoles are soft, comfortable, non-slip, and wear-resistant, offering comfort for standing all day.4. Wide Application: Easily adjustable to match your shoe size for a personalized fit. Suitable for all types of daily footwear, including sneakers, running shoes, boots, leather shoes, and flats. Ideal for individuals who need to stand for long periods.Product Details:Specifications:- Material: High-elastic PU, memory foam, mesh fabric- Sizes: Various, with trimming required for best fit- Care: Wipe clean with damp cloth