July 14, Meituan and a Jiangsu silicone maker rolled out upgraded cooling sleeves. The yarn carries 3 % ultra-high-molecular silicone oil for 40 % faster sweat wicking; a polysilazane top-coat reaches EN 388 cut resistance. Ten thousand pairs hit Beijing, Shanghai and Guangzhou riders at ¥29.9 each, selling out instantly. Field tests show a 6 °C lower arm temperature after two noon-hour runs.
Products-IOTA