Semibold Amber Performance Crew Socks

Cooling Coolmax® crew socks with targeted cushioning and compression for high-intensity training and running.
$144.00
Size
15% Off First Order · Code: FIRST15OFF
True to size. If you're between sizes, size up.
Free shipping $49+
30-day easy returns
Comfort guarantee
BEST FOR
Training & Gym
Running
CUSHION
Medium Cushion Medium Cushion
FIT
FEEL
WHY YOU’LL LOVE THIS

An energetic pop of orange to ignite your workout. A perfect match for neutral outfits, the Amber performance crew keeps your feet dry with Coolmax® technology while providing full-foot protection through targeted padding.
PRODUCT DETAILS

Material Benefits

  • Sweat-Wicking Action: Pulls moisture away
  • Airflow Comfort: Keeps feet ventilated
  • Smooth Contact: Reduces rubbing
  • Cooling Effect: Keeps feet cool
  • Durable Fabric: Withstands wear

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
Stride Lock
Keeps socks secure without slipping
Midfoot Hugging Ring
Holds your foot in place for stability
Breathable Toe Ventilation
Reduces moisture between toes
Achilles Comfort Padding
Prevents rubbing at the heel collar
Signature Smile
A playful touch that celebrates every step
Arch Spine
Reinforces natural arch support
Curve padding
Adds soft support to stabilize your arch
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
SHIPPING & RETURNS

Free Shipping Over $49 + 30-day Easy Returns

Shipping & Delivery Details
Return & Exchange Details
View details

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

Amber: Warmth That Endures.

Inspired by amber gemstones that preserve ancient life. Amber is shaped by time. Formed slowly, under pressure, he holds a warmth that doesn’t fade. Not loud, not flashy—but steady and lasting.

If you’re drawn to Amber, you build things over time. You value depth, consistency, and quiet strength.

Circulation-Boosting Lift

Revitalize your stride with a supportive midfoot hug. Our dual-action system supports your natural arch to prevent fatigue during long hours on your feet.

Pavement Buffer

Designed for the road and the gym, our strategic cushioning deflects the shock of every landing, ensuring a fluid and steady stride.

Irritation-Free Shield

Move without limits. The reinforced achilles padding prevents shoe-bite and hot spots, offering a seamless feel from the first set to the last mile.

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.