The Aspire is engineered with firm compression and a thin profile for a responsive feel. Firm compression supports every contour of the foot to reduce fatigue during endurance activities. The Four height sits below the calf and it's double-cuff construction provides extra support for cycling and trail running.

• One Pair
• Cushion: Minimum
  
• Profile: Thin - Fits into technical shoes with a barely-there feel
• Signature Olefin Fiber: Wicks-moisture quickly to keep feet dry and blister-free
  
• Channeled Upper: Increases breathability to keep feet cool
  
• Seamless Toe Box: Eliminates any friction around your toes for a comfortable fit
  
• Mesh Footbed: Provides ventilation and increases breathability, keeping feet cool
  
• Archband Support: Maintains shape, keeps socks in place, and firmly supports arch
  
• Y-shaped Heel:  Creates a snug fit that moves with your foot without any bunching or slipping
  
• 67% Nylon / 28% Olefin / 5% Spandex
• Compression: Firm