- Primeknit upper
- Boost midsole
- Torsion system midfoot
- Elastic and lightweight ‘Stretchweb’ Continental rubber outsole
- Snug fit
UltraBOOST is the name of these mentally mint trainers from adidas. Combining the super-lightweight Primeknit technology with that super-lightweight Boost stuff on the sole, these trainers are, as you might expect, super-lightweight. They look pretty good too.