44mm band (Series 4) is compatible with 42mm (Series 0/1/2/3) watches.
$49.00 $24.99
Cape Cod Blue:
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/251457587
Hibiscus:
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/765535439
Indigo:
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/695125927
Nectarine:
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/843119241
Storm Gray:
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/282383323
Sport Bands in 3 colors for the same price $24.99
Blue Horizon:
https://www.walmart.com/ip/Apple-Watch-Sport-Band-44mm/306202761
Lavender Gray:
https://www.walmart.com/ip/Apple-Watch-Sport-Band-44mm/442788960
Nectarine:
https://www.walmart.com/ip/Apple-Watch-Sport-Band-44mm/489312307
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/251457587?selected=true
Cape Cod Blue:
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/251457587
Hibiscus:
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/765535439
Indigo:
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/695125927
Nectarine:
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/843119241
Storm Gray:
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/282383323
Sport Bands in 3 colors for the same price $24.99
Blue Horizon:
https://www.walmart.com/ip/Apple-Watch-Sport-Band-44mm/306202761
Lavender Gray:
https://www.walmart.com/ip/Apple-Watch-Sport-Band-44mm/442788960
Nectarine:
https://www.walmart.com/ip/Apple-Watch-Sport-Band-44mm/489312307
https://www.walmart.com/ip/Apple-Watch-Sport-Loop-44mm/251457587?selected=true