Sportswear brand Nike has released a trainer called Air Max Dn, which features an improved variation of the air-filled plastic cushions under its heels called Dynamic Air.
The sneaker is the first in Nike's Air Max Dn line and features foam-injected thermoplastic polyurethane (TPU) heel inserts called Dynamic Air.
Nike has released the Air Max Dn with Dynamic Air technology
A variation on the air-filled plastic cushion featured for decades in the Air Max line, the Dynamic Air heel cushion has four tubes divided into two "chambers".
Each chamber has an opening between the two tubes, allowing for air to flow between them. The front chamber has a lower pressure than the back one, creating a bounce in the step as the foot moves from heel to toe in step. "We call it 'dynamic motion'," said Nike Lifestyle Footwear product director Reggie Hunter.
"The independent set-up of the chambers means that the air unit can respond to the load of your body with each step. The feeling of heel-to-toe movement is seamless because the air unit is interacting in real-time with your foot and moves with you."
It has a textile upper printed with a tactile silicon pattern
Nike said that the air units were designed by using Finite Element Analysis, a digital system, which "helped teams test the air unit more quickly and accurately before making prototypes for real-life testing in the lab".
These air units are encapsulated by a Phylon foam heel structure. TPU pla...