The darker-colored patches of skin can be any shade, from tan to deep brown. Rarely, these dark patches may appear on other sun-exposed areas of the body. Melasma occurs much more often in women than in men, and usually is associated with hormonal changes.
Stayfast is specially made Fabric (Canvas) material for convertible tops. Stayfast is also very commonly used on replacement tops for European cars as a less expensive alternative to the Original German Canvas or Sonnendeck Canvas.
Polyester is a highly durable fabric and usually can survive years of washing and wear. Cotton is more delicate. Cotton is more susceptible to general wear and tear from daily use and tends to shrink slightly when it is washed.