Nathan Marathon Pak 2.0 - NS30550-00001 Compression Socks & Sleeves supportive fabric delivers maximum mobility

supportive fabric delivers maximum mobility and comfy support while maintaining your range of motion

A highly stretchable polyester and elastane fabric features a micro-ventilation-pattern for high breathability

An updated outsole adds rubber heel pods and extra lugs for multisurface durability and aggressive traction

military standard 810G for thermal

Dense heel traction delivers increased grip where you need it

Nathan Marathon Pak 2.0 - NS30550-00001 Compression Socks & Sleeves supportive fabric delivers maximum mobilityGet ready for you next training run or race with this updated lightweight and versatile training pack. External stow away loop through design offers additional storage for shirt towel Larger zippered pocket fits most smartphones Race ready features include gel loops and trash stash pocket Reflective detailing for visibility in lowlight conditions Storage Capacity: 0. 5L 31 Cu. In Weight: 3. 7oz 105g Material: 70% Nylon, 30% Polyester