Insulated boots

Insulated Boots is a members-only item on the OSRS Grand Exchange in the armour category.

In-game examine text: "They're heavily insulated wellies."

It has a Grand Exchange buy limit of 70 every four hours, a high alchemy value of 120 gp, and item ID 7159.

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Insulated Boots shows an active flip setup with a margin of +22 gp and 977 trades over the last 24 hours.

At the buy limit of 70 every four hours, max profit per cycle is about 1.5k gp — high margin with healthy liquidity.