The top uses a polyester mesh fabric which is very fine and soft. We tend to sweat after riding and exercise, sweat will make us feel sick and irritable when we cool down. Sweat and moisture also make us feel hot and stuffy. Coolmax fabric is designed for wicking away sweat and moisture from the skin surface and hence keeps you dry, cool and comfortable. Coolmax is manufactured by Invista a company specialized in producing polyester fibers with unique engineered micro channel cross sections . The space between cross sections ensuring it has the greatest breathability, and allow the sweat and moisture from the skin surface to diffuse to the outer surface of the fabric. Coolmax fabric is good in both absorbing and wicking away sweat. Thus it is the best fabric for a cycling jersey compared to cotton which is poor in absorbing sweat.
Invista company invented LYCRA which are synthetic stretchable fibers which can stretch 4x to 7x compared to the normal. The fibers also have the ability to return to its original state after it is released from stretching. It isn't use as a whole but is mixed with other synthetic or natural fibers. It has enhanced the performance with its outstanding stretchability.
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