ARC INDEX · APPAREL
Marine Layer
WHAT GROK TOLD A SHOPPER
One AI model's read-back recommended this.
Checked 5 Oct 2026. One AI model's read-back (currently Grok via API, not the consumer Grok app). One model, not a consensus.
Tested product: Tahoe Flannel Shirt. Product page · Store
Score
59
of 100 · 1 of 5 shoppers added to cart
Browser shoppers
1 of 5
Browser cart shoppers that added the product to the cart. The score is this lane. The catalog check does not change it.
Tested 6 Oct 2026. How ARC tests
CAN AGENTS BUY
Agents can reach checkout through Shopify's agent catalog. 1 of 5 browser cart shoppers also added the product to the cart.
AGENT CATALOG · REAL
Checkout link. The catalog returned the tested product.
ARC BROWSER CART TESTS
1 of 5 added the product to the cart. Stuck at adding the product to the cart.
View or refresh the free agent checkout check for marinelayer.com →
GROK · REAL MODEL
One AI model's read-back recommended this.
Checked 5 Oct 2026. One AI model's read-back (currently Grok via API, not the consumer Grok app). One model, not a consensus.
Model x-ai/grok-4.20
The Tahoe Flannel Shirt from Marine Layer is a strong buy if you prioritize next-level softness and comfort; it's double-brushed 100% cotton that reviewers and the brand describe as exceptionally cozy with good weight for layering. At the current sale price it's competitive, but if you're looking for cheaper everyday flannels or more rugged options consider alternatives like those from Patagonia, Filson, or Uniqlo. Overall I'd recommend it for someone seeking premium casual comfort over basic bu
Rivals one model named: Patagonia, Filson, Uniqlo, LL Bean
MOST COSTLY MISMATCH
Grok told a shopper your price is $110 (sale from $138). Your site says $138.
| Fact | Check | The model said | Store page |
|---|---|---|---|
| Price | Mismatch | $110 (sale from $138) | $138schema.org JSON-LD"price" : 138.0Source page |
| Returns window | Grok didn't know | — | — |
| Shipping cost | Match | free on orders over $75 | over $75Policy pageShipping Info – Marine Layer Skip to content Free Shipping on $75+ | Free Returns Free Shipping on Orders $75+ Oh Hey, New Arrivals Free Returns for 365 Days Shop His Shop His Shop Hers Shop Hers Want the Latest?Source page |
| Availability | Match | in stock | in stockProduct pagelar Size: Our Exclusive Size Size Chart S M M/L L L/XL XL 2XL Pre-order Now Low in stock right now Free Shipping On $75+ Orders.Source page |
| Delivery estimate | Grok didn't know | — | — |
Each shopper
- ARC browser shopper AStopped
- ARC browser shopper BStopped
- ARC browser shopper CAdded to cart
- ARC browser shopper DStopped
- ARC browser shopper EStopped
The failure
Couldn't add it to the cart
This stopped 4 of 5 agents.
Top fix
Use a real Add to cart button, and show that the item landed in the cart.
History
- 6 Oct 202659/100 · browser 1 of 5 · Couldn't add it to the cart
Is this your store?
The free scan puts the score on screen and emails the full report.
Share this result
Every ARC page and dataset is free to read, cite and reuse.
OpenClaw only follows labelled controls. A block at the door is one result for all five, with the HTTP evidence. The score is the ARC browser cart, the same number as a free scan. The agent-catalog check above is real and leads the buy verdict. It does not change the score. How it works.
BADGE FOR YOUR SITE
Put this on your site. It links back here. It says Agent checkout when the real catalog check returned a checkout link, and Agents chose us only when a browser cart shopper added the product to the cart.
<a href="https://www.arcreport.ai/agent-index/marine-layer"><img src="https://www.arcreport.ai/agent-index/marine-layer/badge" width="360" height="72" alt="Marine Layer on the ARC Index. Agents chose us. ARC score 59. Agents can reach checkout through Shopify's agent catalog. 1 of 5 browser cart shoppers also added the product to the cart."></a>
Want a re-test, or this page removed? Contact ARC or email hello@arcreport.ai.