The Marvel Avengers Spiderman Iron Spider costume for boys in size M (8-10) is a detailed suit featuring elastic/stretch material and padding for a comfortable fit. Made of polyester, this multi-color costume is perfect for Halloween and will surely make your child stand out as one of the Avengers. With the iconic Iron Spider design, this costume by Rubie's is a must-have for any young superhero looking to dress up as their favorite character.