Olympic athletes can’t afford a single foot slip in the Lead and Speed events, where a fall disqualifies you immediately. So they're very particular about which shoes they use.
https://www.climbing.com/competition/olympics/11-climbing-shoes-paris-olympics/
Tara Hayes has made the first female ascent of Pete Robins' 8B boulder Isles of Wonder, at Carreg Mianog Boulders, Gwynedd, Wales.
https://www.ukclimbing.com/forums/t.php?n=773184
