New Balance Women's 420 Orthotic

Recommended by doctors and pedorthists world wide, the New Balance orthotic NB 420 insole is tri-density with a molded Pedic™ core to support the arch and provide maximum comfort. The NB 420 has a posted rearfoot to control pronation and recommended for flat and low arch feet; a neutral forefoot for those not suffering from ball-of-foot discomfort. Top cover features X-Static®, a fiber made with pure silver for an improved antimicrobial, anti-odor and thermodynamic natural performance.

Features & Benefits

• Arch support
• Features a SilverGuard odor-resistant top cover that provides shock absorption
• Forefoot: Neutral for biomechanical efficiency
• Odor-resistant top cover
• Rearfoot: Posted heel to control over-pronation and balance rearfoot
• Replaces existing insole

Most orders ship within 1 business day

During busy seasons, processing may take up to 2 days

Same‑Day Shipping

Mon–Fri: Orders placed by 12 PM EST
Saturday: Orders placed by 10 AM EST
Orders placed after these times, on Sundays, or on holidays ship the next business day

Free Shipping
Free shipping on all U.S. orders over $75 (continental U.S.)

Carriers Used
Orders ship via USPS or UPS
Weekend/late‑Friday orders may ship USPS to meet timing requirements

Alaska, Hawaii, Military & U.S. Territories
Shipped via USPS Standard/Priority Mail
Typical transit times:
AK/HI/Territories: ~3 days (not guaranteed)
Military addresses: 10–15 days

Transit Times
USPS Priority Mail may display “1‑Day,” “2‑Day,” or “3‑Day,” which reflects USPS’s estimate after the package ships
These estimates do not include processing time.

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