Semibold Spirit Performance Crew Socks

Cooling Coolmax® crew socks designed for moisture-wicking comfort and compression support during active movement.
$18.00
Size
One Size
15% Off First Order · Code: FIRST15OFF
True to size. If you're between sizes, size up.
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Comfort guarantee
BEST FOR
Training & Gym
Running
CUSHION
Medium Cushion Medium Cushion
FIT
FEEL
WHY YOU’LL LOVE THIS

A vibrant, color-blocked boost for your training. Designed for intense, multi-directional movement, the Spooky Buddy features dual-side edge cushioning and a strong Arch Spine. The snug fit stimulates circulation, helping you stay peak-performance ready.
PRODUCT DETAILS

Material Benefits

  • Instant Drying Effect: Pulls moisture away
  • Breathable Fit: Keeps feet cool
  • Anti-Friction Comfort: Reduces irritation
  • Heat Management: Controls temperature
  • Lasting Strength: Maintains quality

Key Features

Wing Cushion™
Reduces friction during quick direction changes
Tri-Arch System™
Enhances support, cushioning, and stability
CoolVent™
Keeps feet cool and dry during movement
Comfort Compression™
Improves circulation and reduces fatigue
Natural Toe Fit
Designed to match your natural foot shape
Seamless Toe
Minimizes friction for a smoother feel
Smart Targeted Cushion™
Absorbs impact in high-pressure areas
Stay-Up Cuff
Keeps socks secure without slipping
Midfoot Hug™
Holds your foot in place for stability
Toe Airflow™
Reduces moisture between toes
Arch Spine™
Reinforces natural arch support
Semi 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
SHIPPING & RETURNS

Free Shipping Over $49 + 30-day Easy Returns

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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 / M7½–13
W5–12½ / M3–13
EU
36-40
41-47
36-47
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

Spooky Buddy: Lightness Is Strength

A spirited little ghost who loves the lighter side of life. He reminds us that we don't always have to be "on" or perfectly serious. Sometimes, a bit of "spirited" playfulness is exactly what you need to get through a tough week.

If you’re drawn to Spooky Buddy, you believe in balance—working hard but also knowing when to let loose. You bring a positive, magical energy to every room (and gym) you enter.

Blister-Proof Armor

Targeted sole cushioning and dual-side guards create a 360° safety zone to prevent hot spots and irritation.

Blister-Proof Armor

Targeted sole cushioning and dual-side guards create a 360° safety zone to prevent hot spots and irritation.

Precision Column Grip

Fine-ribbed leg columns are designed for a secure, stay-up fit that moves with you, never against you.

FAQ

Are Coolmax® socks better than cotton for workout?

Absolutely. For any physical activity, Coolmax® socks are superior to cotton. Cotton stays wet, which leads to friction, discomfort, and bacteria growth. Coolmax® is a hydrophobic fiber that dries almost instantly. This specialized breathable performance fabric ensures your feet remain at an optimal temperature, preventing the "soggy" feeling that often ruins a good workout session.

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.

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.