M's Bolt Micro Crew Ultra-Lightweight Running Socks

Chase the Horizon in the Bolt Micro Crew

• Ultra-lightweight Merino wool keeps feet cool, dry, and ready to move
• Smooth, redesigned upper for a soft, barely-there feel
• Supportive arch fit with responsive cushion underfoot

Whether you’re chasing miles on the road or pushing for a new trail PR, the Bolt Micro Crew is built to keep up. Inspired by vintage van stripes and made for modern speed, it delivers lightweight comfort with just the right amount of cushion to keep every step feeling smooth. Slip them on and go—fast, free, and ready for whatever’s ahead.

Tech Specs

• Men's micro crew socks average 8.5 in. from heel to cuff - expect them to rise about 6 in. above a running sneaker.
• A performance fit means no slipping, no bunching, no blisters. Here's to focusing on your run and not your feet.
• Runners enjoy Merino Wool's ability to dry quickly and move excess heat and moisture away from feet.
• Our lowest profile, ultra-lightweight yarns create zero bulk, zero itch socks that feel like a second skin.
• Arch support alleviates foot fatigue and bunching for long-running comfort with zero slippage.
• We close every toe seam using our True Seamless™ Toe technology for an ultra smooth, undetectable feel.
• The “still” in Still Made in Vermont, USA is personal. We knit all our socks at our VT-based Mills - we can't imagine it any other way.
• Unconditionally Guaranteed for Life - if these aren’t the longest lasting socks you’ve ever owned, return them for another pair.
• These cushioned micro crew socks feature soft terry loops under the foot for lasting rebound while trail running.
• 46% Merino Wool, 50% Nylon, 4% Lycra Spandex
  *Fiber percentages of socks may vary slightly.