Snuggle up for game day or any day with this San Francisco 49ers Petition Tank Top and Pants Sleep Set from Concepts Sport . This San Francisco 49ers sleep set features a stylish racerback tank top with the team graphic and script wordmark printed across the torso for a sporty look. Crafted from a blend of soft and breathable polyester and rayon for the top and 100% polyester for the pants, this set ensures you stay cool and comfortable all night long.