Personalized Life Behind Bars Wht T-Shirt. I've spent my life behind bars. Cyclists spend their entire lives behind bars... handlebars! Funny gift for your favorite bicycle rider. Everyone loves our Custom T-Shirts! 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.