From OS1st:

Made for those who prefer a thinner sock that protects from blisters and keeps feet dry. Our Skin Thin™ top panel helps regulate temperature and circulate air throughout the sock. For the best fit, it is important to use the size chart before ordering.   • Ultra-thin top panel to promote temperature regulation • Woven “lift bars” to circulate air throughout the sock

Targeted Conditions:

• Blisters
• Sore/achy feet
• Hyper-sensitivity
• Overheating

• 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 Air™ Calf Sleeves

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