const updateHeaderMetrics = () => { const header = document.getElementById('header'); const rect = header.getBoundingClientRect(); const headerHeight = rect.bottom; document.documentElement.style.setProperty('--header-height', `${headerHeight}px`); }; window.addEventListener('DOMContentLoaded', updateHeaderMetrics); window.addEventListener('resize', updateHeaderMetrics); const header = document.getElementById('header'); const resizeObserver = new ResizeObserver(entries => { for (let entry of entries) { const rect = entry.target.getBoundingClientRect(); const headerHeight = rect.bottom; document.documentElement.style.setProperty('--header-height', `${headerHeight}px`); } }); resizeObserver.observe(header);

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Olympique Marseille 2025-26 Training

$8.50

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B

A

B

C

Quantity

worldwide shipping

Sustainably made

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SKU: -B-A0016367

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