Express your San Francisco 49ers pride from head to toe with this Primary Crew Socks Boxer Briefs Combo Pack by Rock 'Em. Both pieces display bold San Francisco 49ers details to amp up your team spirit. Crafted with comfort in mind, the socks feature breathable fabric and a cushioned footbed, while the boxer briefs boast a soft microfiber waistband and a no-itch, four-way stretch design.