











ENERGY WAS JUST ENERGY UNTIL ENERGY MET ULTRABOOST 21.
Prototype after prototype. Innovation after innovation. Testing after testing. Meet us in the hot pursuit of the pinnacle harmonization of weight, cushioning, and responsiveness. Ultraboost 21. Say hello to incredible energy return.
SPECIFICATIONS
Sock-like fit
Lace closure
adidas Primeknit+ upper
Textile lining
Supportive heel counter
Boost midsole
Weight: 340 g
Midsole drop: 10 mm (heel 30.5 mm / forefoot 20.5 mm)
Stretchweb outsole with Continental™ Rubber
Standard Delivery Service - £4.99
This is a flat charge for an unlimited number of items.
UK Express Delivery - £7.99
(£8.99 for highlands/islands)
Order and receive your order the next working day.
Express pre-noon - £11.95
UK mainland only
To see postage options for your destination please choose your shipping country at the top of the page.
If for any reason you are not satisfied with your purchase from Sweatshop, you may return the product(s) to us within 14 days of the purchase date for a refund.
Find out more about returning products
ENERGY WAS JUST ENERGY UNTIL ENERGY MET ULTRABOOST 21.
Prototype after prototype. Innovation after innovation. Testing after testing. Meet us in the hot pursuit of the pinnacle harmonization of weight, cushioning, and responsiveness. Ultraboost 21. Say hello to incredible energy return.
SPECIFICATIONS
Sock-like fit
Lace closure
adidas Primeknit+ upper
Textile lining
Supportive heel counter
Boost midsole
Weight: 340 g
Midsole drop: 10 mm (heel 30.5 mm / forefoot 20.5 mm)
Stretchweb outsole with Continental™ Rubber
Standard Delivery Service - £4.99
This is a flat charge for an unlimited number of items.
UK Express Delivery - £7.99
(£8.99 for highlands/islands)
Order and receive your order the next working day.
Express pre-noon - £11.95
UK mainland only
To see postage options for your destination please choose your shipping country at the top of the page.
If for any reason you are not satisfied with your purchase from Sweatshop, you may return the product(s) to us within 14 days of the purchase date for a refund.
Find out more about returning products