Calvin klein 2 pack trunks junior boys these calvin klein 2 pack trunks junior boys are made with a soft stretch fabric for a close comfortable fit and ease of movement plus flatlock seams to reduce irritation and elasticated waistband that includes calvin klein branding boys underwear trunk style elasticated waistband cotton blend stretch fabric flatlock seams 2 pack calvin klein branding 95 cotton 5 elastane machine washable keep away from fire bluew