Product Description Boys' underwear made of thermal cotton-blend fabric provides comfort with its breathability feature, while keeping the skin warm. Thanks to its elastic design at the waist, it provides a comfortable fit and freedom of movement. ; Product Content and Features Product Content: Main Fabric: 47% Cotton 35% Polyester 18% VISCOSE Product Features: Pattern: Plain Fit: Tight Product Type: Underwear Brand: LCW Kids Gender: Boys.