Sport Memory Insole. The SIDI Sport Memory Insole is designed to enhance comfort and support during your rides. Made from memory foam, these insoles conform to the shape of your feet, delivering personalized cushioning that reduces fatigue. Compatible with all SIDI boot models, this insole ensures a snug fit, keeping your feet comfortable for long periods. Whether you're riding in warm or cool conditions, the breathable material helps maintain proper air circulation within the boot, ensuring optimal comfort. Compatible with all SIDI boots for universal fit. Provides personalized cushioning by molding to your foot's contours. Helps reduce pressure points and improve comfort on extended rides. Memory foam material offers superior shock absorption. Breathable and comfortable for various weather conditions. Enhances overall riding experience with better foot support and fit. Sold as a set.