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Arm warmers, widely used by runners and cyclists, especially during the colder months, when we have to train early or late in the day with low temperatures.

Velvet inside, the feeling of softness and comfort, but also thermal protection, is constant. The fabric is made of polyester and elastane and provides effective blocking of UV rays.

OTSO sleeves are completely made in Europe in three different sizes, so they fit perfectly on any arm.