今日もよろしく kyou mo yoroshiku is a hard phrase to translate.
今日も kyou mo means "today also" or "today, as always"
よろしく is used in various situations such as when meeting someone for the first time or when starting work with others. You can think of it as "I'm counting on you" or "please remember me" or "I'm looking forward to working with you."
Wearing this shirt means you are politely greeting people with a desire to work together well.
You've now found the staple t-shirt of your wardrobe. It's made of a thicker, heavier cotton, but it's still soft and comfy. And the double stitching on the neckline and sleeves add more durability to what is sure to be a favorite!
• 100% ringspun cotton • 4.5 oz/y² (153 g/m²) • Pre-shrunk • Shoulder-to-shoulder taping • Quarter-turned to avoid crease down the center