Semibold Piano Performance Crew Socks

Breathable Coolmax® crew socks with targeted cushioning and compression for running and gym performance.
$144.00
Size
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BEST FOR
Training & Gym
Running
CUSHION
Medium Cushion Medium Cushion
FIT
FEEL
WHY YOU’LL LOVE THIS

A musical twist on a performance classic. The "piano key" cuff adds a designer feel to a high-energy navy and mustard palette. Double-layered cuffs ensure the socks stay up during the most rhythmic movements.
PRODUCT DETAILS

Material Benefits

  • Moisture-Wicking Speed: Keeps feet dry
  • Airflow System: Supports ventilation
  • Smooth Surface: Prevents friction
  • Cooling Control: Reduces heat buildup
  • Durable Wear: Retains shape

Key Features

Dual-Side Forefoot Cushioning
Reduces friction during quick direction changes
3-in-1 Arch Support System
Enhances support, cushioning, and stability
Breathable Instep Mesh
Keeps feet cool and dry during movement
Graduated Compression Support
Improves circulation and reduces fatigue
Anatomical fit
Designed to match your natural foot shape
Hand-Finished Seamless Toe
Minimizes friction for a smoother feel
Target Cushion
Absorbs impact in high-pressure areas
Breathable Toe Ventilation
Reduces moisture between toes
Signature Smile
A playful touch that celebrates every step
MATERIALS & CARE

65% CoolMax®, 32% Nylon, 3% Lycra

Machine wash cold
Turn inside out
Do not dry clean
Do not iron
Tumble dry low
No bleach
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ADULT SIZING

True to size. If you're between sizes, size up.

SOCK SIZE
S/M
M/L
ONE SIZE
US
W5–9 / M3–7
W9½–12½ / M½–13
W5–12½ / M3–13
EU
36-40
41-46
36-46
UK
3-7
8-12
3-12
FR
36-38
38-40
36-40
IT
40-42
42-44
40-44
JP
7-9
9-11
7-11
KR
55-56
66-77
55-77
AU
8-10
10-12
8-12
DE
34-36
36-38
34-38
DK
34-36
36-38
34-38

 FOOT MEASUREMENTS
S/M
M/L
IN
8.5-10
10-11
CM
22-25.5
25.5-28

TOE SOCKS SIZING

SOCK SIZE
 ONE SIZE
US
W5–9 / M3.5–7.5
EU
35–40
UK
3-7
FR
35-38
IT
39–42
JP
22-25.5
KR
220–255
AU
5–9
DE
34-38
DK
34-38

BABY SIZING

AGE 
FOOT LENGTH
EU SHOE SIZE
US SHOE SIZE
6 months -3 Years
4.3–5.1 in / 11-13 cm
16-21
1.5-6

DESIGN STORY

Piano: Move in Your Own Rhythm.

Born from the idea that life has its own music. The curves and circles hum with a hidden melody, reminding you to follow your own rhythm and trust that every step will land in its perfect place. Life doesn’t follow a fixed tempo. And neither do you.

If you’re drawn to Piano, you trust your own pace. You don’t rush to match others—you move when it feels right. And step by step, your rhythm becomes your direction.

Secure Double Cuff

The reinforced double-layered cuff provides a firm yet comfortable hold, ensuring your socks never slide or distract you.

All-Around Impact Guard

Strategic padding at the achilles and toes shields your feet from friction and impact during your daily rhythm.

Fresh-Feel Ventilation

Technical mesh top-venting paired with Coolmax® yarns provides elite moisture-wicking and a light-as-air feel.

FAQ

Which seasons and activities are best for Coolmax® socks?

While Coolmax® is the undisputed champion for summer heat and high-intensity training (like HIIT, running, and fitness), it is truly a multi-season fiber. Its ability to keep feet dry makes it excellent for any scenario where you might sweat, from spring hiking to intense indoor gym sessions. It is the go-to choice for athletes who prioritize thermal regulation and dryness year-round.

Do these Coolmax® socks help prevent blisters during high-intensity training?

Yes. Blisters are primarily caused by the combination of heat, moisture, and friction. Because Coolmax® eliminates moisture and reduces "hot spots" through its rapid-dry technology, it creates a much smoother environment for your skin. When paired with our anatomical fit, these socks act as a protective barrier that significantly lowers the risk of friction-induced blisters during your most demanding training sessions.

How should I wash and care for my Coolmax® socks?

To maintain the high-speed wicking technology and fiber integrity of your technical socks, follow these simple steps:

  • Machine Wash Cold: Use a gentle cycle (30°C) to protect the specialized Coolmax® fiber structure.
  • Wash Inside Out: Ensures a deep clean of the interior while protecting exterior patterns from friction.
  • No Fabric Softeners: Critical: Softeners clog the capillary channels, reducing the fabric’s ability to move moisture.
  • Air Dry or Low Tumble: These are rapid-dry socks; air drying is best to preserve the elastic Lycra for a long-lasting fit.
  • Avoid Bleach & Ironing: High heat and harsh chemicals break down synthetic polymers and ruin the technical performance.
Why do Semibold Coolmax® socks feature compression at the Achilles and arch?

We designed our Coolmax® series with moderate graduated compression for two critical reasons:

  • Stability: During high-intensity movement, it ensures the sock stays perfectly in place without sliding or bunching.
  • Recovery: Gentle pressure stimulates peripheral blood circulation, which helps reduce foot fatigue and that "heavy" feeling after a long workout. Semibold uses a moderate pressure profile, meaning you get all the performance benefits and increased sensory feedback without the discomfort of a "too-tight" fit.

We use a balanced compression level, supportive enough to enhance performance, but comfortable enough for extended wear without feeling tight or restrictive.