GO RUN

  • White PAIRR “The 400” crew socks displayed on a bright white background, featuring a ribbed athletic cuff with tonal track-inspired texture detailing, breathable knit construction, and minimal black accents for a classic performance-driven look.
  • Two white socks with ribbed texture on a white background
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THE 400 SOCK (2 PACK)

THE 400 SOCK (2 PACK)

$39.00 CAD
$39.00 CAD
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Shipping calculated at checkout.

Inspired by the track, repetition, and the rhythm of race-day movement.

Made with BREEZE fabric to keep things light and breathable.

HEXvent cushioning delivers airflow and comfort where it matters most.

21 cm crew length. Two pairs per order.

View Size Chart

Sizing Chart

Use the sizing chart to find the right fit. Our socks are unisex.

Snug true to fit. Size down if between sizes.

Size EU Size US Men US Women CM
Small 35-38 3-6 5-8 22-24.5
Medium 39-42 6.5-9 8.5-11 25-27.5
Large 43-46 9.5-12 11.5-14 28-30.5

Questions? FAQ Sock 101

Accessory size
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USAGE
FABRIC
FEATURES
Built for every run — from easy miles to long runs to race day.
Usage
BREEZE — 56% Coolmax, 34% polypropylene, 10% elastane
  • HEXvent™ Zones → keeps heat moving, not building
  • Tonal Knit Structure → subtle compression + stability
  • BREEZE Fabric → dry from start to finish
  • Arch Lock Fit → no slipping, no bunching
COOLMAX performance fabric close-up
Photomicrograph of COOLMAX fibres under microscopic magnification, showing the multi-channel fibre structure.
FABRIC 101

COOLMAX

Our BREEZE fabric contains coolmax micro-channel fibres that move heat and moisture away from the skin for a cooler, drier feel.

COOLMAX fibres use a non-round cross-section to increase surface area and improve breathability.

Built for runs when airflow matters most.

HEXvent ventilation structure close-up
Close-up of HEXvent ventilation zones designed to increase airflow and reduce heat buildup.
FABRIC TECHNOLOGY

HEXvent

Targeted ventilation zones to increase airflow where runners generate the most heat on the bottom of the foot.

Lightweight cushioning and breathable structure work together for a responsive feel.

Built for comfort when the pace and heat starts to get spicy.

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