Wyndham sizing

I’m 5’10 (178cm) and weigh 70kg (154lb), I also have long arms for my height I want to order Wyndham from topgoosey, what sizing do you guys recommend?

I’m 5’10 (178cm) and weigh 70kg (154lb), I also have long arms for my height I want to order Wyndham from topgoosey, what sizing do you guys recommend?