Nike Flex Run 2021

Overview

The Flex Run 2021 is a neutral road running shoe by Nike.

It went on sale in 2021. Its support type is designated as neutral, meaning that it's designed for runners with neutral pronation.

Based on our monitoring of prices across the internet, it's currently in the cheapest 30% of running shoes today.

Compare vs

	‌ ‌ Now viewing ‌ Nike Flex Run 2021	‌ ‌ ‌ ASICS Dynablast 3	‌ ‌ ‌ Nike React Miler 2 Shield	‌ ‌ ‌ New Balance 840 v5	‌ ‌ ‌ adidas Ultraboost 22 Cold.RDY	‌ ‌ ‌ Under Armour Charged Verssert
bestDeal	Show prices
priceBand	Price band
similarity	Similarity	Very similar	Very similar	Very similar
released	Released Sep 2021	Feb 2023	Mar 2023	Jan 2023	Jan 2022	Jan 2023
expertReviewScore	Expert Review Score ‌ ‌	‌ ‌ 81%	‌ ‌	‌ ‌	‌ ‌	‌ ‌
Weight	Weight	M: 249 g W: 210 g	320 g	M: 366 g W: 281 g		M: 258 g W: 210 g
Forefoot	Forefoot	M: 16 mm W: 15 mm	23 mm
Heel to toe drop	Heel to toe drop	8 mm	10 mm	8 mm		10 mm
Heel	Heel	M: 24 mm W: 23 mm	33 mm
Brand	Brand Nike	ASICS	Nike	New Balance	adidas	Under Armour
Shoe Type	Shoe Type	Lightweight	Maximalist
Breathable	Breathable
High top	High top
Techs	Techs	ASICS AHARPLUS ASICS FF Blast	Nike React Nike Storm Tread		adidas Boost adidas COLD.RDY adidas Continental WinterGrip adidas Ultraboost Continental WinterGrip	eva
Waterproofings	Waterproofings		Waterproof
Environmental Characteristics	Environmental Characteristics Sustainable
Common characteristics RoadDaily runningNeutralNeutral pronationHigh arch

Characteristics
Sports	Running (+1862)
Terrain	Road (+1265)
Usages	Daily running (+1081)
Brand	Nike (+233)
Support Type	Neutral (+1459)
Pronation Type	Neutral pronation (+1436)
Arch Type	High arch (+1384)
Fit	Wide toe box (+309)
Materials	Mesh (+821)
Environmental Characteristics	Sustainable (+132)
Colorways	Black / White, Pink

Specifications
Released	Sep 2021