These numbers are obtained by manually measuring the product and can vary between 1 and 3 centimeters. The size of the item conforms to the size table. Please refer to the size chart to find your. If you are between two sizes, we suggest that you choose a larger option to better adapt. Mens Classic Stand Up Short Sleeve T-shirt Anti fashion, chivalrous yuppie, special texture, understated and exquisite, with a different appearance. Breathable, sweat absorbing, non stick Good breathability and moisture absorption, healthy and safe, soft to the skin and touch, allowing the body to breathe, suitable for use as the lower body or carried alone. This ice sensitive black technology fabric will quickly extract heat and sweat to the surface to evaporate and cool down, which can quickly cool the body! Color: blue, pink, black, greengray Material: 85% nylon 15% spandex Weight500g Thickness: Thin Package includes: 1 Mens Ice Classic Short Sleeve