| Years | Kit manufacturer | Shirt sponsor |
|---|---|---|
| 1979–87 | Adidas | No sponsor |
| 1987–88 | Niessen | |
| 1988–89 | Rasan | |
| 1989–94 | Bankoa | |
| 1994–95 | Astore | |
| 1995–03 | Krafft | |
| 2003–07 | FIATC Seguros | |
| 2007–10 | Belca | |
| 2010–11 | Gipuzkoa Euskararekin Bat | |
| 2011–12 | Nike | |
| 2008–12 | Areva | |
| 2012–14 | NKD | |
| 2014–16 | Wolf Möbel | |
| 2016–21 | Umbro | Nürnberger Versicherung |
| 2021– | Adidas |
| Years | Kit manufacturer | Shirt sponsor |
|---|---|---|
| 1979–87 | Adidas | No sponsor |
| 1987–88 | Niessen | |
| 1988–89 | Rasan | |
| 1989–94 | Bankoa | |
| 1994–95 | Astore | |
| 1995–03 | Krafft | |
| 2003–07 | FIATC Seguros | |
| 2007–10 | Belca | |
| 2010–11 | Gipuzkoa Euskararekin Bat | |
| 2011–12 | Nike | |
| 2008–12 | Areva | |
| 2012–14 | NKD | |
| 2014–16 | Wolf Möbel | |
| 2016–21 | Umbro | Nürnberger Versicherung |
| 2021– | Adidas |