Details Ergonomic Design: High Elastic Memory Foam Insoles with a U-shaped heel cup and arch support for flat feet. Great for running, cross-training, and sports! Shock Absorption: Gel pad under the heel absorbs shock and reduces muscle fatigue, making it feel like you're walking on clouds! Premium Material: Breathable, moisture-wicking velvet that's eco-friendly and safe for everyone—men, women, and kids! Proper Size: Fits most adults for comfortable, practical wear. Wide Occasions: Perfect for sports shoes, boots, and casual wear—ideal for any activity from basketball to hiking!