Function and style.  This performance Bjorn Borg underwear 'Surf The Web' style, has flat lock seaming to stop chafing and stretch fabric so you stay mobile.

• Sizing: S - 30/32" M - 32/34" L - 34/36" XL - 36/38" waist (in inches)
• True to size
• Flat seams and anti chaffing
• Mid quad length
• Bjorn Borg branded elasticated waistband
• 88% polyamide, 12% elastane.