PLEASE READ !!!
I am a size 8/8.5 in most athletic shoes (7.5 in everything else) and my toes are JUST to the end. So personally I think they fit a bit big.

Piling on the inner heel lips but otherwise in great condition. (see pic 9)

The adidas Ultra Boost 2020 ISS US National Lab Core Black is part of the Ultra Boost 2020 collection which uses NASA technologies to test in the extreme conditions of outer space.

- Features a Primeknit bootie engineered with reinforced weaves at the toe and a revamped Three-Stripes cage
- 3D frame is secured to the neoprene heel. Mounted on a rubber outsole, the dual-density Boost midsole is updated with an iridescent finish

Original Release Date: 12/5/19
This particular pair is 2/20
Originally Retailed for $180.