The Size Mark On The shoes Is Chinese Size Number.Warm Reminder:Different Shoe Styles,Please Select The Size According To Your Foot Type 1.SOFT & COMFORTABLE: linen indoor sandals have cushiony insoles of premium fabrics2. HEATHY MATERIAL: slipper made of lightweight linen material; breathable; easy to wash;dry quickly 3.NON-SLIP LIGHTWEIGHT SOLES: slippers of high elastic anti-slip reduces the risk of 4.SUITABLE: unisex flip flops perfectly fit for indoor home; bathroom; bedroom; office; hostel; beach; holiday etc; free your feet from stress and constraintDescriptionGender:MenUpper Material:PVCMaterial:Suitable Occasion: LeisureScenes: OutdoorStyle:Casual,SimpleToe Style:Round ToeHeel High Style:FlatClosing Method:Slip OnShoes Heel High:1.5cm/0.6''Platform Heigh:1cm/0.4''Package:1 Pair Shoes(Not Including Shoebox)Size chart: Size:40-41 US:10.5 UK:7.5 EU:41 CN:265 Foot Length :26.5cm/10.4" Foot wide :10.5cm/4.1"Size:42-43 US:11.5 UK:8.5 EU:43 CN:275 Foot Length :27.5cm/10.8" Foot wide :11cm/4.3"Size:44-45 US:12.5 UK:9.5 EU:45 CN:285 Foot Length :28.5cm/11.2" Foot wide :11.5-12cm/4.5-4.7"