AdviceShort-sleeved jerseys

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 · 26.06.2007

Advice: Short-sleeved jerseys
Is it the red one, the smooth one, the thin one, the one from the marathon? Almost everyone has a favourite jersey. It's often a memento, or it simply goes well with the bike. But if you don't know what makes this jersey a star, it could be the sum of many little things. Seen up close, the supposedly banal short-sleeved jersey is actually a very sophisticated piece of clothing. Pay attention to the subtleties - so that it becomes a favourite jersey the next time you buy it. (TOUR 3/2007)

THE MATERIAL

The collar label almost always states "100% polyester" or "100% PES" - which means the same thing. Polyester fibres are spun into yarn and processed into various knitted fabrics. Their properties differ depending on the fibre thickness, fibre structure (Coolmax fibres, for example, have furrows in the longitudinal direction) and type of knitting. The fibre thickness or structure of a jersey cannot be determined by sight, but the type of knit can. Fabrics that are labelled as "two-ply" differ on the inside and outside: the structure on the inside is somewhat coarser than on the outside. Due to capillary forces, perspiration is absorbed particularly quickly from the coarse to the fine gaps - away from the skin and towards the outer surface, where it evaporates in the cooling wind instead of lying soaking wet on the skin.

Well-known fabrics of this type are "Fieldsensor" or "Ultra sensor". With functional vests, however, the subtle differences between polyester knits are barely noticeable. In addition to polyester, "elastane" (PU) and "polyamide" (PA) appear on the labels. Elastane, the elastic admixture of polyurethane (brand names: Lycra or Spandex), ensures a close fit. In cycling shorts, it often accounts for 15 to 20 per cent, in jerseys usually less. It is mainly combined with polyamide (nylon) in women's jerseys. A common blend bears the brand name "Meryl". Its silky surface and suppleness make it flattering in the "feel test", but its wearing properties are less convincing: jerseys made from polyamide/spandex generally dry just as poorly as cotton. And in the usual jersey mix, they are so elastic that full jersey pockets always move further towards the ground. However, a somewhat more stable version of this blend is the standard material for almost all cycling shorts - tear and abrasion resistance is more important than drying properties.

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