Sperry Men's Avenue Duck Size:1 4:1 8 stainless steel ball 4:1 8 stainless steel ball bearings + 1 roller bearing Winch gear ratio allows for a slower presentation X2 Crftic alloy frame Aluminum handle sideplate combined with c6 carbon sideplate Power Stack Carbon Matrix Drag System Duragear brass gear D2 Gear Design Everslik coated pinion shaft and pawl DuraClutch design Infini brake system Gull Wing sideplate design Extended bent handle Large EVA knobs Ti coated line guide Lube port The slip on moc has double gore panels that flex for ease of sliding on yet conform comfortably to the foot without the need for laces Sperry Mens Avenue Duck Boot a cold and rainy day has never looked so inviting