Mont-bell Sawtrekker Wading Shoes 27.5cm

I used these for canyoning but no longer need them, so I'm selling them.
I used them about once.
I washed them, but the mud stains on the heel wouldn't come off.
Please check the photos.
I think the boots themselves are in good condition.

[Size]
JPN 27.5 cm

[Selling Points]
These are lightweight boots perfect for canyoning. The upper uses mesh fabric that allows water to drain easily, and it's reinforced with a durable material to prevent sideways slippage inside the shoe. The ankle area uses soft, highly fitting chloroprene rubber, which doesn't hinder ankle movement during ascents and makes them easy to put on and take off. It also helps prevent sand and small pebbles from getting inside. Features an easy-fit system.
They also have good grip on moss and rocks, making them slip-resistant.