Progress Running Club
PRC x ARC Run Crew Socks - Black
Product Overview
The ARC x PRC Run Crew Socks are a collaboration between London-based Progress Running Club (PRC) and the South Korean brand arc (A Running Club). Designed to bridge the gap between technical performance and urban streetwear, these socks are engineered for everything from high-intensity road and trail running to daily lifestyle wear.
Key Technical Features
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Seamless Construction: Crafted using advanced Italian Lonati textile machinery, the socks feature a seamless design that eliminates friction points, particularly in the toe area, to prevent blisters and irritation during long runs.
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Advanced Materials (BioMax® & Lycra®): * BioMax® (50%): A high-performance moisture-wicking yarn that pulls sweat away from the skin and dries rapidly. Note: BioMax can feel slightly "slippery" when brand new; washing before the first wear is recommended for optimal grip.
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Lycra® (28% Polyurethane / 22% Spandex): Provides high elasticity and recovery, ensuring the socks retain their shape and provide "Appropriate Tension" to stay in place without sagging.
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Targeted Cushioning: Features double-cushioned zones at the front and back of the heels to absorb impact and provide extra comfort on hard surfaces.
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Ergonomic Fit: Designed as "Right Angle Socks" to mimic the natural shape of the foot, reducing bunching at the ankle.
Design & Aesthetic
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Crew Height: Sits at the mid-calf for a classic athletic look.
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Branding: Features high-quality knitted logo details representing the collaboration between Progress Running Club and arc.
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Colorway: Traditionally available in Black or White with contrasting typography.
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Size Indicators: For convenience, "S" or "M" labeling is knitted into the inner cuff.
Specifications & Care
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Composition: 50% BioMax (Polyethylene), 28% Lycra Rubber (Polyurethane), 22% Lycra Spandex.
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Weight: Approximately 50g per pair.
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Care Instructions: Hand wash cold is recommended to preserve the technical fibers. Do not bleach. Ensure they are washed and dried promptly after sweating to prevent discoloration.
Sizing
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Small (S): 230–250mm (Approx. UK 3–6 / US Men’s 4–7)
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Medium (M): 250–280mm (Approx. UK 7–11 / US Men’s 8–12)
Pickup available at 98 Commercial Street, London, E1 6LZ, United Kingdom
Usually ready in 24 hours
Product information
OUR UK SHIPPING SERVICE
- Orders placed before 2 pm will be shipped the same working day
- We ship orders Monday to Friday only excluding Bank Holidays
- We do not presently dispatch orders over the weekend.
- If you order after 2 pm on a Friday we will process and ship your order on the following Monday (excluding Bank Holidays)
- Busy periods may affect the dispatch and delivery time
DELIVERY RATES
Royal Mail Tracked 48 - £4.95
Royal Mail Tracked 24 - £6.95
Next Working Day is Monday - Friday only. If your order is placed after 2pm on a Friday or over the weekend this will be dispatched on the next working day and due for the delivery the following working day after that.
RETURNS ONLINE
In accordance to your consumer rights, for all goods (including sale items) purchased online if you wish to return your purchase for a full refund* within 30 days of our receiving the item(s), please:
Return the goods in perfect saleable condition, in their original packaging, with the returns form included within the package you can download it below.
Send the items within 30 days of receipt to:
* Delivery charges will not be refunded
* The cost of returning the goods and the safe return of goods is your responsibility. We suggest you only use a recorded delivery service.
* Please allow 7–10 business days for us to process your return.
RETURNS POLICY IN STORE
We hope that you will be happy with your purchase made in store but appreciate that sometimes we can change our minds. If something is not quite right you have 30 days for an exchange or 12 month credit note.
Credit notes will not be extended passed 12 months.
Please note sale items are fully non-returnable.
RETURNS FROM EU AND EUROPE
For all returns originating from the EU or other European countries, customers are responsible for all associated costs, including shipping fees, duties, and any applicable taxes.
F.A.Q.
What payment methods can I use?
We offer 35 different payment methods including major providers like Mastercard, Visa, PayPal, American Express and Diners as well as many different local payment methods including Klarna, iDEAL, AliPay, Sofort, giropay, and many more.
Can I purchase items with another currency?
Yes, you may select a currency based on your personal preference. When you select your country in the country selector on the upper right of the website or are taken directly to your country’s version of the website, you will see prices listed in the regional currency.
Can I make changes to my order after it’s been placed?
We do everything we can to fulfill orders quickly and unfortunately cannot make updates after an order has been placed. These changes include removing or adding products and/or changing the delivery address. If a mistake has been made with your order information, it’s quickest to create a new order with the correct information and then let our Customer Service.






