This Old Navy unisex XL 12 Glow In The Dark 2 Piece Spider Halloween Pajama Set is perfect for spooky season. Made from 100% cotton knit fabric in a gray color, this pullover set features long sleeves and a cute spider character design. Machine washable and ideal for the winter and fall seasons, this pajama set is a fun and comfortable choice for both boys and girls aged 12. Add a touch of Halloween charm to your child's sleepwear with this adorable and glowing spider pajama set from Old Navy.