This Toronto Blue Jays Navy and Light Blue Alternate 4 Authentic Collection On-Field New Era 59FIFTY Fitted Hat is what the pros wear on the field. It features an embroidered team logo on the front panels and an embroidered MLB Batterman at the rear. New Era Authentic On-Field 59FIFTY HatFitted, structured hatFlat bill that you can curveAuthentic on field hat worn by playersEmbroidered logoBlack undervisor:root{--pi-navy:#0b2c4a;--pi-navy-2:#0f3b62;--pi-border:#e6edf3;--pi-text:#0f172a;--pi-muted:#5b728a;--pi-card:#ffffff}.size-card{max-width:980px;margin:1.5rem auto;background:var(--pi-card);border:1px solid var(--pi-border);border-radius:14px;overflow:hidden;box-shadow:0 6px 20px rgba(16,24,40,.06);font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;color:var(--pi-text)}.size-card__header{background:linear-gradient(180deg,var(--pi-navy),var(--pi-navy-2));padding:20px 24px 18px;border-bottom:1px solid rgba(255,255,255,.12)}.size-card__header h2{margin:0 0 6px;font-size:clamp(1.15rem,2.2vw,1.55rem);line-height:1.15;letter-spacing:.4px;color:#fff;font-weight:800}.size-card__header p{margin:0;color:#d6e6f5;font-size:.95rem;font-weight:600}.table-wrap{overflow-x:auto}.size-table{width:100%;border-collapse:collapse;min-width:640px}.size-table caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;clip-path:inset(50%)}.size-table thead th{background:var(--pi-navy);color:#fff;text-transform:uppercase;letter-spacing:.06em;font-size:.9rem;padding:14px 16px;text-align:left}.size-table tbody td,.size-table tbody th{padding:16px;border-top:1px solid var(--pi-border);font-size:1rem;background:#fff}.size-table tbody th{background:#f8fbff;color:#0e2239;font-weight:700;width:34%}.size-table tbody tr:nth-child(even) td{background:#fcfeff}.tips{padding:18px 22px 22px;background:#f6f9fd;border-top:1px solid var(--pi-border)}.tips h3{margin:.2rem 0 .4rem;font-size:1rem;color:var(--pi-navy)}.tips ul{margin:.35rem 0 0 1rem;padding:0}.tips li{margin:.45rem 0;color:var(--pi-text);line-height:1.5}@media (max-width:640px){.size-card{border-radius:12px}.size-table{min-width:0}.size-table thead{display:none}.size-table tbody tr{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--pi-border)}.size-table tbody th{grid-column:1 / -1;background:#f0f6ff;padding:14px 16px}.size-table tbody td{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-top:1px dashed var(--pi-border)}.size-table tbody td::before{content:attr(data-label);color:var(--pi-muted);font-weight:600;margin-right:14px}}New Era 59FIFTY Size GuideHead circumferenceNew Era 59FIFTY Size Guide — head circumference in inches (in) and centimeters (cm)Cap sizeINCM72255.87⅛22⅜56.87¼22¾57.77⅜23⅛58.77½23½59.67⅝23⅞60.67¾24¼61.57⅞24⅝62.582563.5Fit tips:Measure around your head just above the ears and across the forehead; keep the tape level.Between sizes? Most people prefer the larger size for comfort.59FIFTY is a fitted cap—there’s no adjuster. Low Profile 59FIFTY uses the same sizing with a slightly shallower crown and curved visor.