The Facebook like button is designed as a hand giving "thumbs up". It was introduced on 9 February 2009.

• 100% ring-spun cotton pique
• Sport Grey is 90% ring-spun cotton pique, 10% polyester
• Fabric weight: 6.3 oz/yd² (213.6 g/m²)
• Pre-shrunk and quarter-turned fabric
• Contoured welt collar and cuffs
• Double-needle bottom hem
• Three woodtone buttons on a clean-finished placket with a reinforced box
• Blank product sourced from Guatemal