Closest to the Caldera 6

Kiprun

Kipsummit

Widths
Regular
≈ $130 Where to buy

$20 cheaper.

NNormal

Kjerag

Weight
200 g (US M 9)
Stack
23.5 / 17.5 mm
Widths
Regular
≈ $195 Where to buy

Close to the Caldera 6 on foam, feel and drop.

Craft

Xplor Pro

Weight
325 g (UK 8)
Stack
38.5 / 32.5 mm
Widths
Regular

Close to the Caldera 6 on foam, feel and drop.

Craft

Xplor 2

Weight
316 g (UK 8)
Stack
38.5 / 32.5 mm
Widths
Regular

Close to the Caldera 6 on foam, feel and drop.

Cheaper

The North Face

Altamesa 300

Stack
25 / 19 mm
Widths
Regular
≈ $129 Where to buy

$21 cheaper.

Brooks

Cascadia 18

Weight
320 g
Stack
20 / 12 mm
Widths
Regular
≈ $140 Where to buy

$10 cheaper, with 2 mm more drop.

Joma

TR-8

Weight
304 g
Widths
Regular
≈ $147 Where to buy

16 g lighter.

Lighter

Brooks

Cascadia 19

Weight
303 g
Widths
Regular, Wide (2E)

17 g lighter.

Brooks

Caldera 7

Weight
301 g
Widths
Regular
≈ $150 Where to buy

19 g lighter.

Brooks

Ghost Trail

Weight
301 g
Widths
Regular

19 g lighter, with 2 mm more drop.

From other brands

Arc'teryx

Norvan LD 4

Stack
25 / 19 mm
Widths
Regular
≈ $170 Where to buy

Close to the Caldera 6 on foam, feel and drop.

Arc'teryx

Norvan LD 4 GTX

Stack
25 / 19 mm
Widths
Regular
≈ $200 Where to buy

Close to the Caldera 6 on foam, feel and drop.

NNormal

Kjerag Brut

Weight
230 g (UK 8.5)
Widths
Regular
≈ $225 Where to buy

Close to the Caldera 6 on foam, feel and drop.