adidas Ultraboost 21 COLD.RDY W (Wonder White / Wonder White / Halo Blue)

If you're one of those tough girls who wanna do their run in all weather conditions, the adidas UltraBOOST 21 COLD.RDY are made for you. The insulated upper sheds water to keep your feet warm and dry while a Continental WinterGrip™ rubber outsole keeps your footing secure on steep downhills and slippery stairs. Plus, custom Boost™ technology at the midsole offers ultimate comfort and a dynamic run. By the way, with Boost™ technology, adidas managed to add energy efficiency, so with every step the battery gets charged and the runner's signs of fatigue are kept to a minimum.

The features of the adidas UltraBOOST 21 COLD.RDY W include:

• Primeknit+ insulated upper (including 50% recycled fibers) with weatherproof COLD.RDY finish (keeps moisture away and provides dry and warm feet)
• 3 Stripes TPU stabilizers at side walls
• foam-padded footbed
• Boost™ technology at the midsole for ultimate comfort
• custom Torsion® technology to stabilize the midfoot
• non-slip rubber outsole by Continental WinterGrip™
• UltraBOOST heel counter