Checkpoint Micro Crew Ultra-Lightweight With Cushion Socks T-Shirts Sock-Fit XT construction system that

Sock-Fit XT construction system that wraps the foot like a sock

a seamlessly integrated Multi-Directional Impact Protection System

Potassium Citrate

Strut through the office

our 4 Degree™ Elite Fit System for a dialed-in

Checkpoint Micro Crew Ultra-Lightweight With Cushion Socks T-Shirts Sock-Fit XT construction system thatSupportive, energizing, and dependable: the hallmarks of a trustworthy pacer, a well stocked aid station and a hard working sock. With ultra lightweight cushioning to reduce trail shock and improve comfort, the Checkpoint micro crew sock will keep you going strong between Jell O shots, Fig Newtons and bad jokes.