Angry Birds Space Planet Birds Adult Fleece Lounge and Sleep Pants. Your favorite Angry Birds fan will love staying warm in these super comfortable polyester plush fleece lounge pants while they play their favorite game. These make a great gift, and are perfect for cooler weather. These feature characters from Angry Birds Space on a black background, and are constructed of high-quality polyester plush fleece material. Available in men's USA Standard sizes Small 28"-30", Medium 32"-34" Large 36"-38" and XL 40"-42". BS-AZ230 AZ230LPM3ZA