Set of 5 Boys' Patterned Socket Socks, they are made of cotton blended stretchy fabric. ; Main Fabric Mixed Color Yarn: 73% Cotton 25% Polyamide 2% Elastane Main Fabric Optical White: 65% Cotton 33% Polyamide 2% Elastane Main Fabric Yellow: 72% Cotton 26% Polyamide 2% Elastane Main Fabric Black: 74% Cotton 24 Polyamide 2% Elastane Main Fabric New Black: 77% Cotton 21% Polyamide 2% Elastane Product Features: Gender: Boys Package Contents: 5-Pack Socks Toe Feature: Stitched Brand: LCW Product Type: Socks Material: High Cotton Includes Pattern: Printed / Patterned Pattern: Standard