The ones Ian Botham is wearing are St Peter gloves. They were around from about 1975 to 1980 when the company went bust. At the time, they were the coolest gloves around. In the late 70s, SP gloves and pads were used by lots of players, even if they had a bat contract with someone else.
The other players who used the SP one peice gloves included Tony Grieg, Clive Lloyd, Rod Marsh, Brian Close, Mike Brearley, Zaheer Abbass, Richard Hadlee and many, many more
The spyder pair have been slightly updated to have a towelling wrist and velcro fastening. The orignal SP gloves just had an elastic wrist; towelling wrists didn't come in until the mid 80s
Other manufacturers had similar designs, but had to make sure they didn't infringe SP's intellectual property. DF had gloves with a 2 piece back, GM had a one piece back design, but with separate fingers, SS had an armadillo design and Morrants had their own take on it.