• Here are a few options
• depending on the specific region within South America
• as the word for "pen" can vary: **Most broadly understood (using "bolígrafo"):** * **"Una mancha de bolígrafo de 5mm en el centro de la espalda."** * *Mancha de bolígrafo* = pen mark/stain * *5mm* = 5mm (measurement is universal) * *en el centro de la espalda* = to mid-reverse (literally "in the center of the back") **Common in Argentina
• Uruguay (using "lapicera"):** * **"Una mancha de lapicera de 5mm en el centro de la espalda."** * *Lapicera* is the common word for "pen" in these countries. **Common in some Andean countries (using "esfero"):** * **"Una mancha de esfero de 5mm en el centro de la espalda."** * *Esfero* is common for "pen" in countries like Colombia
• Ecuador. Choose the one that best fits the specific target audience within South America. The first option ("bolígrafo") is generally safe for wider understanding.

Características:

• Etiquetas oficiales y originales de adidas
• Tecnología Formotion, rayas de las mangas y logo de adidas en material transfer, material más transpirable, manga larga