Name: adidas Ultraboost 21
Brand: adidas
Rating: 74 (25 reviews)

Overview

The Ultraboost is a maximalist road running shoe family utilising Boost, COLD.RDY and Continental WinterGrip tech from adidas.

The Ultraboost 21 uses breathable construction, orthotic friendly and removable insole design, and was released in 2021. Its support type is designated as neutral, meaning that it's designed for runners with neutral pronation. The latest model in the family is the adidas Ultraboost 22.

With an average review score of 74%, it's in the lowest rated 20% of similar running shoes. Based on our monitoring of prices across the internet, it's currently just above the median price of running shoes today.

adidas Ultraboost 21 alternatives

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	‌ ‌ Now viewing ‌ adidas Ultraboost 21	‌ ‌ ‌ adidas 4DFWD 3	‌ ‌ ‌ PUMA Speed 600 Fusefit	‌ ‌ ‌ PUMA Magnify Nitro 2	‌ ‌ ‌ ASICS Gel Nimbus 26	‌ ‌ ‌ Hoka Clifton 9 GTX
bestDeal	Show prices
priceBand	Price band
similarity	Similarity	Very similar	Very similar
released	Released Jan 2021			Apr 2023	Dec 2023	Oct 2023
expertReviewScore	Expert Review Score ‌ ‌ 74%	‌ ‌ 78%	‌ ‌	‌ ‌	‌ ‌ 85%	‌ ‌ 88%
productAthletes	Pro athlete users ‌
Weight	Weight M: 340 g W: 312 g	M: 346 g W: 295 g	M: 312 g W: 278 g	M: 286 g W: 224 g	M: 303 g W: 261 g	M: 272 g W: 235 g
Forefoot	Forefoot 21 mm	M: 24 mm W: 23 mm	M: 21 mm W: 20 mm	29 mm	34 mm	35 mm
Heel to toe drop	Heel to toe drop 10 mm	10 mm	12 mm	10 mm	8 mm	5 mm
Heel	Heel 31 mm	M: 34 mm W: 33 mm	M: 33 mm W: 32 mm	39 mm	42 mm	40 mm
Terrain	Terrain Road	Road	Road	Road	Road	Road Snow/ice
Brand	Brand adidas	adidas	PUMA	PUMA	ASICS	Hoka
Strike Type	Strike Type Heel strike	Fore/Midfoot strike Heel strike	Heel strike	Fore/Midfoot strike Heel strike	Fore/Midfoot strike Heel strike	Fore/Midfoot strike Heel strike
Adidas	Adidas
Breathable	Breathable
Orthotic friendly	Orthotic friendly
Removable insole	Removable insole
Rocker	Rocker
Techs	Techs adidas Ultraboost	4D adidas 4D		PUMA NITRO	ASICS Gel OrthoLite	Gore-Tex
Waterproofings	Waterproofings					Waterproof
Environmental Characteristics	Environmental Characteristics	Sustainable				Sustainable Vegan Ⓥ
Common characteristics Daily runningNeutralNeutral pronationHigh archBreathableComfortableMaximalist

adidas Ultraboost 21: what the experts say (3 reviews)

adidas Ultraboost 21: 20 Expert video reviews

adidas Ultraboost 21 characteristics and specifications

Characteristics
Sports	Running (+1943)
Terrain	Road (+1316)
Usages	Daily running (+1122)
Brand	adidas (+280)
Support Type	Neutral (+1523)
Pronation Type	Neutral pronation (+1503)
Strike Type	Heel strike (+1155)
Arch Type	High arch (+1450)
Shoe Type	Breathable (+346)Comfortable (+269)Maximalist (+519)
Fit	Medium toe box (+843)
Features	Adidas (+65)Breathable (+964)Orthotic friendly (+322)Removable insole (+302)
Materials	Knit (+198)
Techs	adidas Ultraboost (+38)
Colorways	Ambient Blush / Ambient Blush / Halo Blush, Ash Pearl / Ash Pearl / Hazy Rose, Ash Pearl / Cloud White / Halo Ivory, Black / Beige Tone / Signal Green, Black / Black / Carbon, Black / Black / Core White, Black / Black / Grey Five, Black / Black / Violet Tone, Black / Cloud White / Violet Tone, Black / Core Black / Grey Five