Underlying fund documents help text
Funds
Summary Prospectus
Prospectus
Statement of Additional Information
Annual Report
Semiannual Report
Q1 Holdings
Q3 Holdings
iXBRL Document
FlexShares ESG and Climate Developed Markets ex-US Core Index Fund
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FlexShares ESG and Climate High Yield Corporate Core Index Fund
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FlexShares ESG and Climate Investment Grade Corporate Core Index Fund
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FlexShares ESG and Climate US Large Cap Core Index Fund
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Before investing, carefully consider the FlexShares® investment objectives, risks, charges and expenses. This and other information is in the prospectus and a summary prospectus, copies of which may be obtained by visiting www.flexshares.com. Read the prospectus carefully before you invest. Foreside Fund Services, LLC, distributor.

An investment in FlexShares® is subject to numerous risks, including possible loss of principal. Fund returns may not match the return of the respective indexes. The Funds are subject to the following principal risks: asset class; commodity; concentration; counterparty; currency; derivatives; dividend; emerging markets; equity securities; fluctuation of yield; foreign securities; geographic; income; industry concentration; inflation-protected securities; infrastructure-related companies; interest rate / maturity risk; issuer; large cap; management; market; market trading; mid cap stock; MLP; momentum; natural resources; new funds; non-diversification; passive investment; privatization; small cap stock; tracking error; value investing; and volatility risk. A full description of risks is in the prospectus.
Individual investors should contact their financial advisor or broker dealer representative for more information on FlexShares ETFs.

Investment Products and Services are:
Not FDIC INSUREDMay lose valueNo bank guarantee

All registered investment companies, including FlexShares, are obliged to distribute portfolio gains to shareholders at year-end regardless of performance. Trading FlexShares Funds will also generate tax consequences and transaction expenses. The information provided is not intended to be tax advice. Tax consequences of dividend distributions may vary by individual taxpayer. The FlexShares Funds, registered with the United States Securities and Exchange Commission under the Investment Company Act of 1940 ("Funds") are distributed by Foreside Fund Services, LLC, not affiliated with Northern Trust.

Foreside Fund Services, LLC
The STOXX® Global Infrastructure Index, STOXX® USA ESG Select KPIs Index and STOXX® Global ESG Select KPIs Index are the intellectual property (including registered trademarks) of STOXX® Limited, Zurich, Switzerland and/or its licensors ("Licensors"), which is used under license. The securities based on the Index are in no way sponsored, endorsed, sold or promoted by STOXX® and its Licensors and neither of the Licensors shall have any liability with respect thereto.

Source ICE Data Indices, LLC, is used with permission. ICE® and ICE Data Services® including any custom graphics or logos, are registered trademarks of ICE Data Indices, LLC or its affiliates ("ICE Data") and may not be copied, used or distributed without IDI’s prior written consent. BofA® is a licensed registered trademark of Bank of America Corporation in the United States and other countries. These marks have been licensed, along with the ICE BofA Constrained Duration US Mortgage Backed Securities Index ("Index") for use by FlexShares in connection with the FlexShares Disciplined Duration MBS Index Fund (MBSD) (the "Product"). Neither FlexShares nor the Product, as applicable, is sponsored, endorsed, sold or promoted by ICE Data or its Third Party Suppliers ("ICE Data and its Suppliers"). ICE Data and its Suppliers make no representations or warranties regarding the advisability of investing in securities generally, in the Product particularly, the Trust or the ability of the Index to track general market performance.

ICE DATA AND ITS SUPPLIERS DISCLAIM ANY AND ALL WARRANTIES AND REPRESENTATIONS, EXPRESS AND/OR IMPLIED, INCLUDING ANY WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR USE, INCLUDING THE INDICES, TRADEMARKS, INDEX DATA AND ANY INFORMATION INCLUDED IN, RELATED TO, OR DERIVED THEREFROM ("INDEX DATA"). ICE DATA AND ITS SUPPLIERS SHALL NOT BE SUBJECT TO ANY DAMAGES OR LIABILITY WITH RESPECT TO THE ADEQUACY, ACCURACY, TIMELINESS OR COMPLETENESS OF THE INDICES AND THE INDEX DATA, WHICH ARE PROVIDED ON AN "AS IS" BASIS AND YOUR USE IS AT YOUR OWN RISK.

The iBoxx® 3-Year Target Duration TIPS Index and iBoxx® 5-Year Target Duration TIPS Index are the intellectual property (including registered trademarks) of Markit iBoxx® and/or its licensors ("Licensors"), which is used under license. The securities based on the Index are in no way sponsored, endorsed, sold or promoted by Markit iBoxx® and its Licensors and neither of the Licensors shall have any liability with respect thereto.

The Morningstar® Global Upstream Natural Resources Index, Morningstar® U.S. Market Factor Tilt Index, Morningstar® Developed Markets ex-US Factor Tilt Index, Morningstar® Emerging Markets Factor Tilt Index, Morningstar® Developed Markets ex-US Factor Tilt Hedged Index and Morningstar® Emerging Markets Factor Tilt Hedged Index are the intellectual property (including registered trademarks) of Morningstar® and/or its licensors ("Licensors"), which is used under license. The securities based on the Index are in no way sponsored, endorsed, sold or promoted by Morningstar® and its Licensors and neither of the Licensors shall have any liability with respect thereto.