You can buy a suede stone and just gently rub the toe of the boot. That should lighten the toe a bit. I used it on our leather couch to take out dark stains and it really worked remarkably well. Just test in on a little area first.
< member since 2006 (no idea where 1969 came from ).

Med/high porosity; color treated; med density 2c/3a.

Summer: (high dew point) co-wash & leave-in Matrix Biolage Cleansing Conditioner for Curly Hair. Ouidad Climate Control Heat & Humidity Gel. Spring and Fall: (perfect dew point) co-wash & leave-in Curl Junkie Repair Me! or CJ BeautiCurls Strengthening Hair Conditioner; followed by CJ Pattern Pusha & Curl Queen. Winter: (low dew point) add in CJ Coffee-Coco Curl Creme Lite.