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SUN Mesh Sleeveless Base Layer
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The differentiated mesh sleeveless base layer has been chosen as their summer technical underwear by all the professional teams that Biotex sponsors. It was created to meet the needs of those who engage in sport during the summer:


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Fresh and lightweight, the SUN mesh sleeveless base layer is ideal for warmer seasons thanks to the ultra ventilation generated by the weave. The SUN sleeveless base layer has a differentiated stretch mesh structure with support zones on the back and keeps you dry and your temperature regulated, not only when you are exerting yourself, but also when taking a break or resting. This sleeveless base layer, from the Bioflex Light collection, is extremely light and comfortable. It feels like a second skin and seems to be one with your body. Being elastic in both length and width and seamless (down the sides), it moulds itself to the shape of the body and highlights the muscles. Often when the thermometer climbs towards 40° you are afraid that using a skin contact garment will make you too hot. It is precisely because it's hot and you sweat more, that it's important to wear technical underwear that transports perspiration quickly to the outside, so the skin is never in contact with a wet fabric, but always remains dry and temperature regulated. The BTX polypropylene fibre fabric used in this base layer, allows immediate perspiration wicking, ensuring a body that is always cool and dry even in very hot and humid weather. This technical mesh undergarment is seamless, comfortable and soft on the skin. This base layer has a very close fit.
You can wear the SUN mesh sleeveless base layer either as a first layer (combined with other technical garments) in periods when temperatures are milder (from +10° to +25°) or as a single layer on the skin in hotter months, with temperatures up to 40°. Check which is the right size for you based on your body characteristics, choose the colour and find out when is the ideal time to wear this high performance technical underwear product for your training. This sleeveless base layer is guaranteed by Biotex's experience. This garment will retain its technical qualities over the years even after frequent washing but it is important to follow some simple rules for washing and caring for it.
For over 20 years we at Biotex have been producing technical underwear to improve sports performance. We were the first Italian company to experiment with and use polypropylene in our products, a material that ensures breathability, lightness and constant body temperature regulation. We are also Partners of professional sports teams with whom we test the effectiveness of our technical apparel in the field in order to perfect it and make it perform well in every kind of sport.






The fit is the difference between the body and the garment worn and its adaptability to the wearer. For the first layer in contact with the skin, we suggest a close fitting garment for greater effectiveness. ACTIVE: has a compressive effect on the body that improves performance.

BIOFLEX LIGHT is the lightest and coolest bi-elastic mesh: the fabric is totally warp-knitted, seamless and very hard-wearing. Very light and breathable, it is suitable for outdoor sports activities in the warmer seasons. Ideal not only as underwear, but also as an outerwear garment for running and the gym. Our BTX polypropylene fibre yarn is in contact with the skin. Lycra and Nylon on the outside provide elasticity and style. Each Biotex line is characterised by unique features that distinguish it in terms of its thermal properties, its fit, compression and design; but all have the common aim of improving the body's performance when engaging in aerobic activity.
Ultra-ventilated SUN Mesh Sleeveless Base Layer for warmer seasons. Now available in Biotex online Shop.
Take care of your Biotex garments and they will last for a long time. Biotex uses fabrics specially created to be in contact with the skin. To maintain their characteristics, we recommend gentle washing at a maximum temperature of 40° and air drying. Otherwise, we cannot guarantee the garment's effectiveness. They must never be ironed. These fluorescent socks may fade after several washes.
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Senza dubbio la mia preferita nella rotazione delle canotte BIOTEX per le attività outdoor in estate. Aderente e traforata,quando usata come unico strato durante gli allenamenti,permette all'aria di circolare e ti lascia così una sensazione di freschezza. Con l' arrivo dell' autunno e della primavera poi, diventa un formidabile primo strato da abbinare ad altri capi tecnici.
Si adatta alle linee del corpo in maniera perfetta eppure addosso ti sembra di non averla. Perfetta come intimo in ogni attività outdoor ed utilizzabile in 3 stagioni.
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Ottimo prodotto. Usato per più di due ore lascia il corpo asciutto. Il migliore fino ad ora provato