Youth Memphis Grizzlies Pajama Pant Boys Sleep Bottoms. These PJ sleep pants are made of 100% Polyester for a softer feel and feature the Memphis logo as a repeating all over print on top of a Grizzlies team color pant. These pants feature a drawstring waist and are great for lounging around the house on those cold winter mornings! Your little MEM Grizz fan will love wearing this around the house on game day! Officially licensed Memphis Grizzlies fan gear.