Men's Valentines Day Bike Chain Skull DriFit MTB JerseyCrank Style's Men's Valentines Day Skull & Bike Chain Heart DriFit MTB Jersey has a stylish look for shredding on the trails during the festive Valentine's day holiday. But not limited to.. the design is killer and will definitely turn heads when you fly by wearing it. The uniquely textured, thick microfibre knit fabric of this high quality T shirt wicks perspiration rapidly away from the skin, drawing it to the surface where it quickly evaporates.