Elastic fabric and stitching that adapts to all body types

our Backpack is ultralight

a very high-quality silicone

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At OTSO we strive to offer products of the best quality and the best customer service

Calcetines UltraLight - Black & Silver Grey jammer Elastic fabric and stitching thatLighter. The Ultralight Socks from OTSO have been designed to offer the greatest lightness, breathability, and elasticity on the market. 3 essential features to ensure comfort and performance during your training sessions and competitions. Fresh and dry pies. High temperature and humidity resistant. Prevents overheating and provides air renewal and freshness so you finish your workouts with dry feet. Perfect fit. Very elastic and seamless ergonomic