Improvise, scavenge, protect and adapt. These four principles are the focus of Nike ISPA. Introduced in 2018, the line has utilized this approach on various reworks and introductions of footwear silhouettes. Most recently, the ISPA Link was introduced as an eco-friendly, futuristic model that utilizes modular design to improve manufacturing efficiency and recyclability. Now, after the first three colorways have seen an official look, the all-gray take rounds out the four launch makeovers of the new sneaker.Following several bold looks including a “Wine Red” colorway, the ISPA Link opts for a simpler color palette this time around with a tonal all-gray look. Various shades of gray provide texture amongst the uniquely constructed sneaker while black Nike and Nike ISPA branding hits the lateral, outsole, forefoot and front pull tab. Key specifications of the shoe include a Flyknit upper, no sockliner and a dual density midsole designed for ample cushioning.Nike has yet to share a release date for the ISPA Link “Gray,” however, it is expected to hit shelves later this year via the Swoosh and select retailers at a price of $225 USD.In other footwear news, two Stranger ThingsĀ x Nike shoes have surfaced, featuring the Blazer Mid and Air Tailwind 79.Click here to view full gallery at HYPEBEAST