This vintage Russell Athletic Sweater in Red is size XL.
Product details: San Francisco 49ers NFL Pro Line crewneck sweatshirt in deep red fleece. Large arched "49ERS" block lettering with gold outline, smaller "SAN FRANCISCO" above, "AUTHENTIC PRO LINE" below, and NFL shield at lower left. Russell Athletic neck tag and small Russell side hem tab; classic V-stitch at collar with ribbed cuffs/hem. Brand: Russell Athletic.
