Follow the brand's specific size chart based on your measurements—do not guess. Compression sizing varies significantly between brands, more so than regular clothing. If you're between sizes on the chart, consider your priority: size down if you want maximum compression and performance benefit, size up if you're new to compression and want to ease into the sensation. Never size up more than one size, as a too-large compression garment provides no compression benefit and is just an uncomfortable, tight-fitting regular base layer.
Ski Underwear · Compression Base Layers
Should I size up or down in compression base layers?
Related gear types
If this answer nudged you toward a different style, these guides compare specs and trade-offs.
Lightweight Base Layers
$25 – $90
Thin, highly breathable base layers for high-output skiing in mild conditions or warm-skinned individuals.
ultra-thin fabrichigh breathabilityrapid moisture wicking
Synthetic Base Layers
$20 – $80
Budget-friendly, quick-drying base layers made from polyester or polypropylene for reliable moisture management.
rapid dryinghighly durableaffordable
More questions
- Do compression base layers actually improve skiing performance?
- How tight should a compression base layer feel?
- Can I wear compression base layers for multiple days like merino wool?
- Are compression base layers too hot for spring skiing?