Surly

Dirt Wizard Tire - 27.5 x 3.0, Tubeless, 60tpi

If you want your trail bike to have a magic touch...you need the Dirt Wizard. The Dirt Wizard won't turn any frogs into princesses, but it will give you tons and tons of traction. It has an aggressive, wide-spaced knobs and a 3" casing with bead-to-bead flat protection. 

The Dirt Wizard is designed for 50mm rims, but can be run on rims as narrow as 35mm. The folding, 60tpi casing is tubeless-ready.