Who should buy the Adidas EQ21 Run Cold.RDY 

The EQ21 Run Cold.RDY from Adidas is a weatherized running shoe that's perfect for you if:

  • you want a dedicated winter running shoe in your rotation 
  • you need a budget-friendly trainer
  • you are looking for a shoe for daily runs and walks in the snow

Adidas EQ21 Run Cold.RDY overall

Who should NOT buy the shoe

You can write off the Adidas EQ21 Run Cold.RDY if you already have a waterproof running shoe and don't want to spend a few extra bucks. 

Runners who live in warmer climates and those with wide feet can also skip it. The weatherized upper can get too hot and does not have so much give.

 Adidas EQ21 Run Cold.RDY running

Adidas EQ21 Run Cold.RDY: Excellently weatherized

The shoe's weather-proof upper, according to multiple testers, keeps the feet "dry and warm" during cold days. It has so much padding that heats up the feet. 

Adidas EQ21 Run Cold.RDY heel padding

The heel is also built high and the toe box is wrapped in weatherized material, preventing water from seeping through. 

Plush comfort

Runners describe the shoe's cushion as "cloud-like." The Adidas Bounce foam is so plush, some even claim that it took away the pain from their feet. Add in the shoe's tongue, it's clear that comfort is a priority. 

Adidas EQ21 Run Cold.RDY adidas bounce

Durable

Long-time users of the Adidas EQ21 Run Cold.RDY report that the outsole is so "solid," it still has no wear and tear after several miles. 

Adidas EQ21 Run Cold.RDY durable

Grippy traction

Multiple runners agree that the shoe latches "excellently" on snow-covered surfaces. The grooved rubber outsole's tread bites "perfectly," resisting missteps and skidding. 

Adidas EQ21 Run Cold.RDY grip

Poor heel support

This daily trainer has no reinforcement in the rear for a locked-in heel clutch. Some critics have even experienced slips. 

Adidas EQ21 Run Cold.RDY heel clutch

The Adidas EQ21 Run Cold.RDY runs small

From the midfoot to the toe box, the EQ21 Run Cold.RDY fits tight. This is especially true for wide-footed runners. The upper doesn't have much stretch to it to accommodate large feet. 

Adidas EQ21 Run Cold.RDY narrow

Facts / Specs

Terrain: Road
Weight: 12.6oz
Drop: 10.5mm
Arch support: Neutral
Base model: Adidas EQ21
Pronation: Neutral Pronation / Supination / Underpronation
Arch type: High arch

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Author
Jens Jakob Andersen
Jens Jakob Andersen

Jens Jakob is a fan of short distances with a 5K PR at 15:58 minutes. Based on 35 million race results, he's among the fastest 0.2% runners. Jens Jakob previously owned a running store, when he was also a competitive runner. His work is regularly featured in The New York Times, Washington Post, BBC and the likes as well as peer-reviewed journals. Finally, he has been a guest on +30 podcasts on running.