When sourcing anti-slip football socks, prioritize silicone or PVC grip pads on the sole, which should be heat-pressed to ensure they do not peel off after multiple washes. The fabric composition should ideally be a blend of Nylon (approx. 60-70%), Cotton (20-25%), and Spandex/Elastane (5-10%) to provide a balance of moisture-wicking, durability, and compression. Ensure the socks feature arch compression bands and reinforced heels and toes to prevent blisters and improve stability during high-intensity movements.