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Fibonacci Spiral by Lee Frangiamore

£ 29.00

Fibonacci, aka Leonardo of Pisa circa 1170 – circa 1250. Credited with the introduction of the Fibonacci sequence to mathematics in his book Liber Abaci published in 1202, though there are references to the sequence dating back to 200 BC. The sequence closely correlates to the proportions of the sides of Golden Rectangles. Drawing a radius through the successive squares of theses rectangles produces a pattern seen frequently in nature.

Our t-shirts are unique for being wholly made with CoolMax freshFX. CoolMax is a patented fibre designed to wick perspiration and accelerate moisture evaporation, keeping wearers cooler and drier. This wicking feature of the fabric is made possible by micro channels engineered into the profile of and surface of the fibre. These channels are cleverly dimensioned to exploit the surface tension and capillary action of water. Being physical properties of the fibre, these channels endure and do not significantly diminish with wear or washing.

Antimicrobial (freshFX) treatment stops the propagation of odour producing bacteria. This is achieved by embedding silver salt crystals into the structure of the fibre. FreshFX treatment like the wicking is permanent and does not leach out with everyday use. These characteristics ensure the shirts remain cool, dry and odour free regardless of what you might do in them. Performance of the fabric is guaranteed through a certified and monitored manufacturing process.