THIN AIR CREW

Description The OS1st Thin Air Performance Socks are built for customers who want breathable comfort without extra bulk. Ultra-lightweight construction and strategically placed ventilation channels help release heat, while moisture-wicking fibers keep feet feeling dry during activity. Light arch compression provides a secure fit, and the smooth, seamless design helps reduce friction inside your shoes. Whether you're walking, running, or spending long hours on your feet, these socks deliver comfortable performance with a barely-there feel. Materials: Upper: 85% nylon, 15% LYCRA® spandex Lining: Smooth, seamless moisture-wicking knit Footbed: Ultra-lightweight, low-bulk construction with targeted ventilation Outsole: Durable performance knit with minimal cushioning Fit: Fits: True to size with a snug, performance-oriented fit; available in Small, Medium, Large, and X-Large Width: Flexible stretch construction accommodates a range of foot widths Support: Support Level: Light — targeted arch compression helps keep the sock securely positioned without restrictive support Ideal For: Running, walking, golf, training, workdays, warm-weather activity, and customers who prefer thin, breathable socks inside their footwear. Notes: The 3/4 crew height provides additional coverage above the ankle while maintaining a lightweight feel. Skin-Thin™ top panels and woven ventilation channels encourage airflow, making this an especially good option for customers whose feet tend to run warm. Designed for breathability and fit rather than heavy cushioning or medical-grade compression. Care: Machine wash cold on a gentle cycle. Tumble dry on low heat. Do not bleach or use fabric softener to help preserve the fabric's elasticity and moisture-wicking performance. Features: - Ultra-lightweight construction provides a barely-there feel - Skin-Thin™ top panels enhance breathability - Woven Lift Bars and ventilated air channels help reduce heat buildup - Moisture-wicking fibers help keep feet dry during activity - Light arch compression helps prevent slipping and bunching - Seamless toe and heel construction minimizes friction and irritation - Flexible LYCRA® spandex provides a secure, comfortable fit - Minimal bulk fits comfortably inside athletic and everyday shoes - 3/4 crew height offers versatile coverage for active wear - Designed for walking, running, golf, training, and extended daily wear