Similar in shape to a stiletto, coffin nails are long, tapered and filed flat at the tip. The effect is equal parts edgy and elegant. Swoon-worthy when worn in almond or nude, this nail is also right on trend in dark vampy colors like gray, maroon, green or black (especially with a matte finish). You can also try it in any summer nail color of your choosing. Scroll on for 14 ways to wear coffin nails this season.