Related Clues:

• Converse rival
• Mountain cats or sneakers
• Jordans, e.g
• Springblade producer
• Alternative to 33-Across
• Court wear, maybe
• Some big cats
• Company with an Energy Boost line
• Athletic brand founded by Adolf Dassler
• Title sneaker brand in a Run-D.M.C. hit
• 'Impossible is nothing' sloganeer
• Animals always climbing tree, we're told
• The team Hugo Porta captained
• American wild cats
• Some gym shoes