The Nike 4644 eyeglasses are designed with a refined rectangular silhouette that balances sporty inspiration with casual sophistication. Engineered from flexible memory metal, these full-rim frames deliver lightweight durability and all-day comfort, ideal for active daily use. Their optimized proportions support a range of prescription lenses, making them versatile for both single-vision and progressive wearers. This model embodies Nike’s commitment to performance-driven design in everyday optical eyewear.