The Children's Place Baby Boys' Banded Knit Pant Front Bodice: 90% Nylon/10% Spandex; Back: 100% Polyester Imported Machine Wash Front bodice made of 90 percent nylon/10 percent spandex lace Back made of 100 percent polyester Lined in 100 percent polyester Pre-washed for a gentle feel and to reduce shrinkage Shark bite hem is longer at sides