385/65 R22.5 doesn't belong to the most popular dimensions for winter tyres - there are tyre models available, which can be compared to 325/30 R21, 155/60 R15, 155/65 R13. Let's break down the sizing - 65 is height of the tyre, which is calculated as 65% of the tyre width (385mm), which means the sidewall height has 250.25 mm. The wheel diameter is R23, which means it fits to a 23 inch/584.2mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 225/35 R20(2090.73 mm), 285/50 R20(2491.28 mm), 225/50 R18(2143.19 mm), 295/35 R19(2164.87 mm), 225/60 R18(2284.57 mm), 305/30 R20(2170.84 mm), 235/35 R20(2112.72 mm). There are multiple speed indexes available for winter tyres in 385/65 R22.5: K(km/h), L(km/h). The same goes for weight indexes: 158, 164.