It is the desert biome variant of the wood armor. Cactus armor is really good at the very beginning if you can make it to the desert and cut down a few cacti. Once you get to mining, just equip the highest tier ore armor you can get since.

Understanding the Context

The cactus armor set is the first tier of armor, it is available on both the pc and console version. It is the same tier as wood armor. Two players with cactus. Keep with cactus until you get plat/gold armour.

Key Insights

You should save up for the full set of iron armor. Replace your chest plate. Feb 1, 2015ย ยท getting ore for making an armor set is not even close to just harvest it from a plant that grows on a single tile of sand. And yes, to get shade/ebon early, you need to get on those. Nov 21, 2018ย ยท get 75 pieces of cactus, which are easily found in the desert biome.

Final Thoughts

Use a workbench to craft each piece of the armor set. Take a look at the official wiki for more info.