If you are seeking a lot of power and performance from a single sock then look no further. Uses Brooks patented DriLayer Glide to deliver a durable, lightweight, and abrasion resistant sock that can handle the harshest workout.

• DriLayer Glide is ... lightweight, breathable, durable, and abrasion resistant.
• Strategically placed Achillies tab keeps the sock from slipping and eliminates those nasty heel blisters.
• Targeted arch compression adds support and enhances the fit.
• "Y" heel gore provides a deep heel pocket, providing a better fit.
• Seamless toe enclosure eliminates friction between harsh seams and toes.
• Cools strip design is attractive and energizes your run.

Brooks Radical Lightweight Sock Specs

Sock Fibers:

74% - DriLayer Glide Nylon
23% - DriLayer Polyester
3% - Spandex