Product Comparison

Double layer

100% Polyester

150

Medium

Midweight

Mechanical Stretch

Sustained cold, moderate activity, layering under looser fitting outerwear

High-output activity, mild conditions, use under snug fitting bottoms

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Merino wool

67% Polyester / 28% Merino / 5% Spandex

175

Medium

Midweight

Four-way / Flexible

Cold conditions, moisture management, odor control, multi-day wear

Heavy-duty work use or warm weather

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Single layer

100% Polyester

175

Light

Lightweight

Mechanical Stretch

High-output or dynamic activity requiring maximum breathability

Very cold or stationary conditions

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Active stretch

84% Polyester / 16% Spandex

180

Medium

Midweight

Four-way / High-mobility

High-movement cold-weather activity, skiing, snowboarding, outdoor work

Low-output stationary use or extreme cold where warmth is top priority

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Mountain fleece

100% Polyester

205

Maximum

Heavyweight

Mechanical Stretch

Very cold conditions, low-to-moderate activity, all-day warmth

High-output or dynamic activity

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Microfleece

92% Polyester / 8% Spandex

230

Medium-Heavy

Midweight-Heavy

Four-way / Flexible

Heavy-duty work use or cold weather

High-output activity

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