Boxer Briefs - San Francisco 49ers - Throwback All-Over bf19 and now Rock ’Em is

and now Rock ’Em is teaming up with the whole gang

Suit up with our official Nick Bosa San Francisco 49ers Big Player socks

Take flight with Peter Pan and the entire crew with the official sock collection from Rock 'Em Socks

Discover a whole new world with the official Aladdin collection from Rock 'Em

Hit the gridiron and rep your team to the fullest with our NFL Arizona Cardinals 3-Pack

Boxer Briefs - San Francisco 49ers - Throwback All-Over bf19 and now Rock ’Em isMen's Boxer Briefs by Rock 'Em Socks! After years of research our unique blend of materials is designed to keep you comfortable all day long. Soft Microfiber Waistband: A fit that feels like a dream. Experience ultimate comfort with our soft microfiber waistband. Ultra Cool Ventilation: With Ultra Cool Ventilation technology from Rock Em, youll feel fresh and dry no matter how active your day gets. No itch Smooth Blend: Say goodbye to itchy undies.