Arc'teryx vs Mountain Hardwear: is the pricier zip-up worth it?
The Mountain Hardwear Polartec High Loft Full-Zip Jacket runs $160; the Arc'teryx Kyanite Full-Zip Fleece Jacket is $200 — about 1.3× the price ($40 more). Here's the side-by-side, and what that gap actually buys.
| Mountain Hardwear | Arc'teryx | |
|---|---|---|
| Price | $160 | $200 |
| Material | Polartec High Loft lofted polyester fleece, lightweight and warm, low-bulk construction. | Polartec Power Stretch polyester/elastane fleece, mid-weight, articulated construction. |
| Fit | Trim performance fit, true to size; layers cleanly under a shell. | Trim athletic fit with articulation, true to size; built for movement and layering. |
| Quality | Technical alpine build — warm lofted fleece, breathable, durable zippers, built for serious outdoor use. | Technical benchmark — durable stretch fleece, precise seams, low-bulk construction built for active mountain use. |
| Best for | Alpine and serious outdoor layering, high-exertion cold, and use under a shell. | Active mountain layering, high-mobility use, and buyers who prioritise fit and engineering. |
| Care | Cold wash and tumble low; the lofted fleece dries fast and retains warmth. | Cold wash and tumble low; the stretch fleece dries fast, retains shape and resists pilling. |
Two technical Polartec fleeces $40 apart doing genuinely different jobs: Mountain Hardwear's $160 High Loft full-zip is a warmth-to-weight piece, while Arc'teryx's $200 Kyanite uses Power Stretch for mobility. Both are trim, true-to-size, shell-compatible layers with serious builds, so this is a fabric decision more than a brand decision.
- The case for Mountain Hardwear
- The Mountain Hardwear's Polartec High Loft delivers lofted warmth at low weight and bulk with strong breathability — the better pure insulator for high-exertion cold under a shell, at $40 less.
- The case for Arc'teryx
- The Kyanite's Polartec Power Stretch adds elastane stretch and articulated construction for unrestricted movement, holds its shape, and resists pilling in a low-bulk, precisely seamed build.
The bottom lineIs the pricier one worth it?
Choose by what the fleece is for. If the job is warmth — alpine layering, high-exertion cold, living under a shell — buy the Mountain Hardwear; High Loft is the warmth-to-weight fabric and it costs less. If the job is movement — climbing, high-mobility active use where the layer has to stretch and articulate with you — the Kyanite's Power Stretch and articulated patterning are what the extra $40 buys. Casual buyers should note both price-take facts agree: at $160 and especially $200, you are paying a real premium for technical capability you only recoup by using it.
We may earn a commission if you buy through this link, at no extra cost to you.