polo ralph lauren classic fit w/wicking 5-pack boxer briefs andover heather/aerial blue/rugby royal/rl2000 red/cruise navy lg polo ralph lauren the polo ralph lauren classic fit 100% cotton boxer briefs - 5 pack rcbbp5 have a functional fly-front with a right side entry. the leg openings are cuffed. the boxer briefs have a seamed center rear panel to keep a natural fit. polo ralph lauren's classic fit 100% cotton boxer briefs - 5 pack are made of cotton.