Thorlo Tennis Mini Crew Level 1 Socks Light padding to protect against shock and impact Padding over * toe protects against fast stops and and starts and lateral movementLevel 1 Protection1 THORLON pro * ides padding for better durability protection against shock impact and shear forces2 Lightweight pa * ding in arch for better fit and arch support3 Lightweight padding over toe to protect against fast * tops and starts4 THORLON top with spandex provides protection and better fitAverage Fiber content 8