Men's Boot Liner NAT'S 1324 400 g Foam Liners for R917 Boots, NT1324 7100153234 5 24 16 MP3419H 19mm 5 24 16 MP3419H 19mm 52 38 30 24 17 MP3420H 20mm 52 38 31 24 18 MP3421H 21mm 52 38 32 24 19 MP3422H 22mm 52 38 34 24 20 MP3423H 23mm 52 38 35 24 21 MP3424H 24mm 52 38 36 24 22 MP3425H 25mm 52 38 38 24 23 MP3426H 26mm 52 38 38 24 MP3427H 27mm 52 38 40 26 MP3428H 28mm 52 42 42 26 MP3429H 29mm 52 42 42 27 MP3430H 30mm 52 44 44 28 MP3431H 31mm 52 44 44 29 MP3432H 32mm 52 44 44 30 MP3433H 33mm 56 44 47 31 MP3434H 34mm 56 44 48 32 MP3435H 35mm 56 44 50 33 MP3436H 36mm 56 44 51 34 MP3438H 38mm 56 44 53 36 MP3440H 40mm 62 44 56 38 MP3441H 41mm 62 44 58 39 MP3442H 42mm 62 44 61 40 MP3443H 43mm 63 44 63 41 MP3446H 46mm 63 44 67 43 MP3450H 50mm 72 54 71 45 Item #: 2865 20 This spare foam liner includes a 400 g Primaloft® insulation keeping you warm and dry