The Darn Tough Women’s Treeline Micro Crew Midweight Cushion Sock (Style 1971) in Blue is a women’s micro crew hiking sock with midweight cushion across the full footbed for sustained comfort over trail miles. True Seamless toe construction closes the front of the sock smoothly so there’s no seam bump at the toes during long days on foot.
The merino-nylon-Lycra blend lets the merino percentage handle moisture wicking and temperature regulation across cool mornings and warm afternoons, while the nylon percentage keeps the sock durable against brush contact and repeated boot wear. The micro crew height sits just above the ankle — the standard rise for low-cut hikers and approach shoes. Blue is a rich medium-blue colorway with knit tree-line detailing that pairs with gray, black, or earth-tone trail pants.
Darn Tough knits every pair in Northfield, Vermont and backs them with an unconditional lifetime guarantee.






