What are soccer players wearing under their jerseys

On 18 December, Barcelona drew 0-0 against rivals Real Madrid in El Clásico. On 28 December, Barcelona and Real Betis reached an agreement for the loan of Carles Aleñá for the remainder of the season. On 15 January, soccer kit Barcelona reached an agreement with FC Schalke 04 for the loan on Jean-Clair Todibo for the remainder of the season. On 9 January, Barcelona were knocked out of the Supercopa de España after being defeated 3-2 to Atlético Madrid. On 4 January, jersey shirt Barcelona drew 2-2 with local rivals RCD Espanyol in the Barcelona derby. On 4 October, Barcelona drew 1-1 with Sevilla at home.