New Balance New Balance Fresh Foam X SneakersMen'sGrey

New Balance Fresh Foam X 840v1 'Castlerock Marine Blue'

SKU · M840FCB

The New Balance Fresh Foam X 840v1 'Castlerock Marine Blue' (style M840FCB) is carried by 11 stores SoleScout tracks, priced from $50 to $140. The cheapest listing right now is $50 — $90 under the $140 retail price. 9 US sizes are in stock somewhere right now (8–13), and the table below shows the cheapest store for each one. SoleScout doesn't sell this — we link straight to the retailer's own checkout.

US Men's Sizes

9 SIZES · US

$50$140

-64%

$110$140

-21%

9.5

$85$140

-39%

$105$140

-25%

10.5

$110$140

-21%

11.5

$110$140

-21%

$140

12.5

$99$140

-29%

$140

Where to buy

RETAIL $140 · 11 SOURCES

$50 is $90 under retail — at a hidden retailer. Unlock to see where.

GOATMARKETPLACE

All sizes on site

10 more sources · locked

from $50

Retailer64% OFF

1 size available · hidden retailer

$140

$50

Locked

Retailer64% OFF

1 size available · hidden retailer

$140

$50

Locked

Retailer39% OFF

1 size available · hidden retailer

$140

$85

Locked

Retailer29% OFF

2 sizes available · hidden retailer

$140

$99

Locked

Retailer25% OFF

1 size available · hidden retailer

$140

$105

Locked

+ 5 more hidden retailers

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Prices are each store's own retail. Some links are affiliate — they support SoleScout at no cost to you.

Questions

Where can I buy the New Balance Fresh Foam X 840v1 'Castlerock Marine Blue'?

11 retailers tracked by SoleScout currently list this sneaker, starting at $50. The "Where to buy" list on this page names each store and links to its own product page.

How much does the New Balance Fresh Foam X 840v1 'Castlerock Marine Blue' cost?

Across every tracked store the price ranges from $50 to $140, against a $140 retail price. Prices change daily; this page reflects the stores' own current listings.

What sizes of the New Balance Fresh Foam X 840v1 'Castlerock Marine Blue' are still available?

US sizes 8, 9, 9.5, 10, 10.5, 11.5, 12, 12.5, 13 are in stock at at least one tracked retailer. The per-size table shows the lowest price for each size.

What is the style code for the New Balance Fresh Foam X 840v1 'Castlerock Marine Blue'?

The manufacturer style code is M840FCB. SoleScout matches this shoe across stores by style code, which is why listings that name it differently still line up.