Casual Button-Down Shirts by Wrangler Authentics. Details:The Wrangler Authentics collection delivers laid-back style for the man on the go. Performance-level comfort is built into our classic button-downs and blue jeans for an outfit that feels as good as it looks. Available with Advanced Comfort technology that helps your jeans move with you for all day comfort. Pair with your favorite Wrangler Authentics shirt for a night out or casual weekend.