Men's Smartwool Merino 250 Base Layer Colorblock Crew - SW016353-H87 Size:L this sock boosts blood circulation

this sock boosts blood circulation and can enhance stamina

The lightweight & powerful 250-lumen Luna Fire 250 RX Chest/Waist Light features a comfortable strap for secure placement on your chest or waist

- 5 head attachments

Boasting a proprietary outsole compound tested against industry standards

5% Elastane

Men's Smartwool Merino 250 Base Layer Colorblock Crew - SW016353-H87 Size:L this sock boosts blood circulationOur Men's Merino 250 Base Layer Colorblock Crew features 100% responsibly sourced Merino wool made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance. With shoulder panels and a flatlock seam construction, this base layer brings consistent comfort, as well as reliable warmth and durability, to winter hiking, running, and skiing.