Name: OS1st Unisex TA4 Thin Air No Show Socks
Brand: OS1st
SKU: OS1-3654W
Price: 18.00 USD
Availability: InStock

$18.00

Shipping calculated at checkout.

Color: White

In stock, ready to ship
Backordered, shipping soon

$5 shipping · free on orders $75+
30-day returns & exchanges, in store or by mail
Ships in 1 business day · 2-day & 3-day options at checkout

Fit & Feel

Lightweight

OS1st TA4 Thin Air^TM Performance Socks feature never before applied technology to keep your feet cool and protected during any activity. Created using 200n medical grade machinery and materials we are able to build in comfort, durability and blister protection, yet with the thinnest upper foot profile ever made. The "Thin Skin^TM" construction with uniquely positioned lift-bars, maximizes air-flow achieving a cooling sensation to your feet.

Targeted Conditions:

Features

Blister protection
Sore/achy feet
Hyper-sensitivity
Overheating

Performance Features:

Maximum air flow
Skin Thin^TM design
Allows for natural toe splay
Heat release
Lift bars for max air flow
Anti-bacterial
Ultra light

Comes with one (1) pair of socks per package.

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 U.S. orders of $75 or more (continental U.S.)
Orders under $75 ship for a flat $5

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.

Need It Faster?
UPS 3 Day Air ($20) and UPS 2nd Day Air ($25) are available at checkout

SKU: OS1-3654W

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OS1st Unisex TA4 Thin Air No Show Socks

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