(19)

(11)

EP 3 752 023 A1

(12)

(43) Date of publication: 23.12.2020 Bulletin 2020/52 (21) Application number: 19705511.4 (22) Date of filing: 15.02.2019

(51) International Patent Classification (IPC):  A43B 7/10(2006.01) A43B 13/12(2006.01) A43B 7/06(2006.01) A43B 7/08(2006.01) (86) International application number: PCT/EP2019/053798 (87) International publication number: WO 2019/158685 (22.08.2019 Gazette 2019/34)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 19.02.2018 GB 201802662 (71) Applicant: C. & J. Clark International Limited Street Somerset BA16 0EQ (GB)	(72) Inventor: LOCKE, Adrian Somerset BA16 0EQ (GB) (74) Representative: Ruuskanen, Juha-Pekka  Page White & Farrer Bedford House John Street London WC1N 2BF London WC1N 2BF (GB)