Simms ExStream Pull Over Insulated Hoody

Thanks to PrimaLoft® insulation that delivers warmth that won't weigh you down.

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Brand: Simms

PrimaLoft layer: ThermoPlume

ThermoPlume

A unique blend of fibers that delivers the look and feel of down, with reliable warmth in wet conditions.

Down-Like Feel + Aesthetic

Warm When Wet

Vegan friendly

Warmth Without Weight

Frequently Asked Questions

At PrimaLoft, we believe you shouldn’t have to choose between what’s good for you and what’s good for the planet. Every product we make is a fusion of material innovation, world class performance and sustainability. We call this trifecta Relentlessly Responsible™.

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Simms ExStream Pull Over Insulated Hoody

Why we love it

Built for long days on the water

Frequently Asked Questions

What is PrimaLoft® insulation?

How warm is PrimaLoft® insulation and which type is best for different conditions?

How is PrimaLoft® different from down?

What are the main benefits of PrimaLoft® insulation?