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upgrade® silver finishupgrade® stay cool finishupgrade® nano finishupgrade® phase change


Heat & UV Defender – The perfect sun protection.

Wearing black or dark colors in direct sunlight has one unpleasant drawback; they heat up significantly within a very short time. When treated with upgrade® stay cool finish, however, they behave like light colored textiles and heat up very little when exposed to sunshine. Best of all: the upgrade® stay cool finish not only ensures that textiles absorb little of the sun’s heat, it also offers good UV protection (UPF 30)*.


Heat and UV rays are repelled.

With outdoor activities on sunny days: such as sport, recreation, or work, dark clothing has the unpleasant effect of heating up significantly. The consequence is that the wearer perspires heavily and can find his or her potential achievement reduced. However, clothing equipped with the upgrade® stay cool finish is quite different. It reacts just like light colored materials and heats up very little because the sun’s heat is simply repelled from the surface of the fabric by the upgrade® stay cool finish. This ensures that clothing stays cooler, the wearer feel more comfortable, and his or her concentration and potential for achievement are maintained significantly longer. upgrade® stay cool finish offers this effect for all textile colors, not just extremely dark shades.

Anytime spent outdoors means exposure to ultraviolet (UV) rays. Excessive UV radiation over a long period can lead to serious health issues, such as skin cancer. The upgrade stay cool finish offers a UV protection factor of 30*, which is good protection from the sun’s damaging UV rays, across the entire spectrum of textiles colors.



upgrade® stay cool finish – the benefits at a glance:

  • Solar heat bounces off the textiles
  • Sustained comfort and increased potential personal achievement
  • Offers good UV protection (UPF 30)*

* AS/NZS 4399:1996