Red boots

Red Boots is a free-to-play item on the OSRS Grand Exchange in the armour category.

In-game examine text: "Very stylish!"

It has a Grand Exchange buy limit of 150 every four hours, a high alchemy value of 300 gp, and item ID 2904.

View on OSRS Wiki

Red Boots shows an active flip setup with a margin of +377 gp and 1,334 trades over the last 24 hours.

At the buy limit of 150 every four hours, max profit per cycle is about 56.5k gp — high margin with healthy liquidity.