Checkpoint Micro Crew Ultra-Lightweight With Cushion Socks T-Shirts a seamlessly integrated Multi-Directional Impact

a seamlessly integrated Multi-Directional Impact Protection System

Potassium Citrate

With its lightweight ALUXX aluminum frame

the raw-cut zeroWaist and Ultralight Leg Grippers ensure the smoothest transition possible between your body and the fabric panels

Skins for Nordic touring

Checkpoint Micro Crew Ultra-Lightweight With Cushion Socks T-Shirts a seamlessly integrated Multi-Directional ImpactSupportive, 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.