Hat: 100% Acrylic. Care Instructions: TURN INSIDE OUT MACHINE WASH COLD WITH LIKE COLORS GENTLE CYCLE DO NOT BLEACH TUMBLE DRY LOW COOL IRON IF NEEDED. 3-piece set. Waffle knit pull-on pant set comes with knit yarn reindeer hat. Machine Wash. No Closure closure. Imported. 57% Cotton, 40% Polyester, 3% Spandex.