At the time of this review, Planet Deep Blue's Heavyweight Tan Sweatpants (part of "The Foam Sweatpants" line) were sold out across all five sizes (S through XXL), confirmed directly via the brand's inventory data. Since the tan colorway wasn't purchasable, this review instead covers The Black Ink Sweatpants — the same heavyweight organic cotton sweatpants design from Planet Deep Blue, offered in black rather than tan, which had at least one size in stock at the time of research.
Both colorways are priced identically at 3.244.000 VND (roughly $122 USD) and share the same construction: 100% cotton, marketed under the brand's "ocean-safe, natural fiber" positioning. Planet Deep Blue states that 60% of the world's clothing is made from plastic-based fibers that shed microplastics in the wash, which is the brand's stated rationale for using only cotton across its line.
Planet Deep Blue markets each order as removing "1 lb of Plastic" from the ocean, tied to a partner cleanup program. This is a brand-stated program claim rather than an independently verified metric, so shoppers who care about the specifics should look for the brand's own documentation on the partnership.
The Black Ink Sweatpants carry a 4.8 rating from 5 reviews on the product page, matching the rating shown on the tan version before it sold out — individual review text wasn't broken out on the listing.
Sizing on the Black Ink Sweatpants was limited at the time of this review (only M was confirmed in stock), so availability may shift quickly. Shoppers set on the tan colorway may want to check back periodically in case it restocks.
You can check current availability for the Foam Sweatpants line at Planet Deep Blue's official site.
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