Personalized Stay Groovy Positive Vibes T-Shirt. Wear it as a reminder to stay groovy and spread good energy wherever you go. Elevate your style and mindset with our Positive Vibes apparel today! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.