The Color Theory Collection allows you to create a unique color story by pairing vibrant, unexpected hues with our iconic footwear styles. Made with an old school canvas upper, the Color Theory Checkerboard Classic Slip-On honors our legendary laceless silhouette while offering a fresh look that boosts the appeal of this easy-to-wear shoe. Size Guide: US4 = 35 EUR US5 = 36.5 EUR US6 = 38 EUR US7 = 39 EUR US7.5 = 40 EUR US8.5= 41 EUR US9 = 42 EUR US10 = 43 EUR US11 = 44.5 EUR US12 = 46 EUR