Quick answer

Choose the Berm Tall if you wear knee pads and want warmth from a merino blend; pick the Berm Crew for a lower-profile merino sock that works with or without light pads; go with the Singletrack Tall for a lightweight, breathable tall sock that closes the pad gap on hot rides.

Why sock height matters more than you think

Sock height affects how your socks interface with knee pads, how much debris stays out of your shoes, and how warm your lower legs stay on chilly descents. A tall sock that reaches 13 inches eliminates the gap below your knee pads, while a crew height sits lower and can be more comfortable when you ride without pads or with minimalist ankle protection.

The three socks here share a biking-specific fit, but they differ in material and height. The Berm Crew and Berm Tall use a midweight merino wool blend, while the Singletrack Tall uses a lightweight polypropylene construction with zonal mesh ventilation. That material difference changes warmth, moisture handling, and how the sock feels against your skin.

Merino blend vs lightweight synthetic: comfort trade-offs

Merino wool blends are known for softness, odor resistance, and warmth even when damp. The Berm Crew and Berm Tall both use a 52% merino wool, 22% acrylic, 24% nylon, 2% spandex blend. That makes them a good match for cooler rides, long days where odor control matters, and riders who prefer a softer hand feel. The trade-off is that midweight merino can feel warmer than a thin synthetic sock during hard summer efforts.

The Singletrack Tall uses polypropylene, a lightweight synthetic that moves moisture away from the skin, paired with mesh zones for ventilation. It is the better choice when breathability and quick drying are priorities, such as hot-weather trail riding or high-output climbs. It won't provide the same warmth as the merino blend, so it's less ideal for cold mornings or winter rides.

Durability and fit details that affect your choice

Both Berm models include nylon-reinforced heels and toes, which adds abrasion resistance in the areas that wear out first. They also feature arch compression that helps eliminate bunching inside the shoe. The Singletrack Tall focuses on moisture management and comforting compression, with a 13-inch height that eliminates the gap below knee pads. None of these socks have a specific padding level listed, so if you need extra cushioning underfoot, look elsewhere or add a thin liner.

Sizing is available in S/M and M/L for all three models. Fit is generally true to size, but if you are between sizes or prefer a tighter fit, consider sizing down for a more compressive feel. The arch compression helps keep the sock in place, but it won't compensate for a significantly wrong size.

Decision rules: which sock to pick

  • If you always ride with knee pads: Choose the Berm Tall or Singletrack Tall. Both are 13 inches tall and eliminate the gap below your knee pads. Pick Berm Tall for warmth and merino comfort, Singletrack Tall for lightweight breathability.
  • If you ride without pads or with ankle protection only: Choose the Berm Crew. Its crew height sits lower and is less likely to bunch behind the knee, while still offering the merino blend's comfort and odor control.
  • If you ride in hot weather or sweat heavily: Choose the Singletrack Tall. Its polypropylene construction and mesh zones prioritize moisture wicking and ventilation over warmth.
  • If you ride in cool or variable conditions: Choose the Berm Crew or Berm Tall. The midweight merino blend provides warmth even when damp, and the reinforced heel and toe add durability for year-round use.

Product facts

  • Berm Crew Sock: Midweight merino wool blend (52% merino, 22% acrylic, 24% nylon, 2% spandex) in a crew height. Provides warmth and odor resistance in a lower-profile cut that works with or without light pads.

    Berm Crew Sock

    Berm Crew Sock

  • Singletrack Tall Sock: Lightweight polypropylene construction with zonal mesh ventilation and a 13-inch tall height. Keeps feet dry and cool on hot rides while closing the gap below knee pads.

    Singletrack Tall Sock

    Singletrack Tall Sock

  • Berm Tall Sock: Midweight merino blend in a 13-inch tall design with arch compression and reinforced heel and toe. Adds warmth and durability for cooler rides and pad compatibility.

Who these socks are for

Best for

  • Trail riders who want a merino blend for comfort and odor control (Berm Crew, Berm Tall)
  • Riders who wear knee pads and need a tall sock to close the gap (Berm Tall, Singletrack Tall)
  • Hot-weather riders who prioritize breathability and quick drying (Singletrack Tall)

Not for

  • Riders who need extra underfoot cushioning—these socks have no listed padding
  • Cold-weather riders who need a heavyweight insulated sock—the merino blend is midweight
  • Riders who prefer a no-show or ankle sock—all three are crew or tall height