Revision 10

Bosun Backpack is the third tier of Backpack Progression in Windrose. It requires Foothills-tier materials and adds 12 inventory slots.

Recipe

Tanned Leather is refined from Rough Hide at the Tanning Rack using Tannin. Foothills Iron Ingot requires mining Foothills Iron Ore with a Copper Pickaxe or better, then smelting at the Smelting Furnace.

Place in the Backpack Chain

Backpacks upgrade in a fixed order, and each tier consumes the one before it, so you cannot skip ahead. The Bosun is the third rung. The full chain and the total carry slots each tier provides are below.

Crafting the Bosun consumes one Sailor Backpack, so keep the previous bag rather than disassembling it before you upgrade. The jump from 8 to 12 slots is the largest single quality-of-life gain in the early-to-mid transition.

When it Opens Up

The Bosun Backpack is typically crafted after the player's first Foothills expedition and the initial iron processing cycle. Because the material cost is higher than the Sailor Backpack upgrade, most players coordinate this with a trip to the Foothills that also returns with Ironware and Foothills Iron Ingots for the Toolbox.

See Also

• Backpack Progression: full chain

• Sailor Backpack: previous tier

• Quartermaster Backpack: next tier

• Foothills Iron Ingot: input

Progression Priority

The Bosun Backpack is the mid-game pivot in the Backpack Progression chain, and the Foothills material cost is the first time the upgrade feels like a full project rather than a quick craft. A common piece of community advice is to treat backpack upgrades as the single highest priority and to take each tier as early as possible. Players who delay the Bosun tier while they work on Foothills weapons or armor tend to regret it during the next few mining runs, because the Sailor Backpack fills almost immediately once Foothills Iron Ore enters the haul.

The efficient plan is to fold the Bosun craft into the same Foothills expedition that produces the rest of the iron-tier gear. Bring back enough Tanned Leather, Foothills Iron Ingots, and a spare Sailor Backpack to upgrade on the spot rather than making a second trip. Every tier multiplies the return on that investment: the next step is the Quartermaster Backpack in the Cursed Swamps, followed by the Traveler Backpack in Tortuga. If Inventory management is already a weak spot, the Bosun upgrade is the one that most visibly stops the game from punishing a messy Crafting and loot loop.

Details

Properties

Crafted By

Crafted at: Workbench

Unlocked By

• DISCOVERY Leather tanning and an upgraded backpack

• Foothills

• Tree Bark

Disassembles Into