Let young fans show their NFL team pride in this Youth Seattle Seahawks Jaxon Smith-Njigba 2025 Rivalries Collection Nike Game Jersey. Made from lightweight, breathable fabric for comfort, this officially licensed jersey features durable screen-printed player name and number details.Nike Youth NFL JerseysOfficially licensed NFL merchandise Durable, lightweight fabric for all-day comfortScreen-printed player name and numberV-neck collar and tailored fit for a sporty lookNike swoosh on shoulder: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:42%}.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}}Nike Youth NFL Jersey Size GuideMeasurements in inches (in.)Nike Youth NFL Jersey Size Guide – measurements in inchesMeasurementSMLXLChest (in.)333639 ½42 ½Waist (in.)333639 ½42 ½Back Length (in.)23252729Pro tips:If layering a tee/hoodie under the jersey, consider sizing up for comfort.Between sizes? Choose the smaller size for a closer fit or the larger size for a roomier fit.