Skip to content
OS1ST SOCKS S / BLACK OS1ST/Thin Air Performance Socks 810017611294 OS1ST/Thin Air Performance Socks / BLACK

OS1ST/Thin Air Performance Socks

by OS1ST
$ 17.99 - $ 17.99
$ 17.99
$ 17.99 - $ 17.99
$ 17.99
Size: S
Color: BLACK

Designed for individuals who desire a thinner sock that guards against blisters and maintains dryness for the feet. Our Skin Thin™ technology aids in regulating temperature and distributing air flow throughout the sock. For optimal fit, please refer to the provided size chart prior to purchase. • Ultra-thin top panel for even temperature control • Woven “lift bars” to circulate air throughout the sock

Targeted Conditions:

  • Blisters
  • Sore/achy feet
  • Hyper-sensitivity
  • Overheating
Skin Thin Design Features:
  • Ultra-thin top panel to promote temperature regulation
  • Woven "lift bars" to circulate air throughout the sock 
  • Allows for natural toe splay
  • Heat release
  • Wear alone or paired with OS1st TA6 Thin AirTM Calf Sleeves

Care Instructions: Wash gentle on cold, tumble dry on low heat. No bleach or fabric softener.

Our shipping policy is designed to be straightforward and reliable . We want to get your order to you as quickly and transparently as possible .

Shipping Rates:Free Ground Shipping on all orders over $99.99 , flat fee of $9.99 applies to all orders under $99.99

Processing Time: Orders are processed and shipped within 2 business days (Monday–Friday) .

Delivery Speed: We partner with trusted domestic carriers, including UPS, USPS, and FedEx . Estimated transit times typically range from 2–6 business days .

Free Local Pickup: Skip the wait entirely! Free local pickup is available at our Old Town location. Your items will be ready for collection after a quick 2-hour preparation window.


We want you to love your purchase! If you are not completely satisfied, we make returns simple and straightforward.

  • 30-Day Return Window: You can return any unworn, tagged items in their original packaging within 30 days of purchase.
  • Easy Shipping: Send your purchase back using your own carrier, or use our prepaid return label for a flat fee of $10.
  • Fast Refunds: Once we receive and inspect your item, we will issue a refund to your original payment method within 7–10 business days.
  • Exclusions: Please note that all clearance and sale items are Final Sale and cannot be returned.
  • Exchanges: We do not offer exchanges at this time. If you need a different size or color, please return your original item for a refund and place a new order.

Need Help? Our team is here for you! Contact us at 863-307-0954 or email info@comfortwiz.com

Customers rate us 4.6/5 based on 431 reviews.