Sidewinder 20°

$224.37 ~~$349.95~~ In stock

Category: BAGS

Specifically designed for the over 60% of people who sleep on their sides, the second generation of our patented Sidewinder side sleeper technology ensures warmth, comfort, and ease of use in any position you settle into. Constructed for comfort, with additional body mapped insulation to optimize warmth where you need it and provide cushioning and support at the hips and shoulders, easing pressure points and other ‘side effects’. The Sidewinder is a side sleeper’s dream bag with technical features that roll seamlessly from one adventure to the next, and from one side to the other at night. U.S. Patent 11957260 B2

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Customer Reviews (4.8 / 5 · 5 reviews)

Riley ★★★★★ Oct 12, 2026

As someone who's tossed and turned for years, this actually keeps me warm without waking up with a cold shoulder. The side sleeper design just works, and I didn't need three nights to figure out how to position it.

Evelyn ★★★★★ Sep 14, 2026

Finally a pillow that actually stays put when I roll onto my side around 3am. The second-gen side sleeper design keeps my neck aligned instead of letting my shoulder jam up into my ear. Two weeks in and I'm waking up without that stiff neck I'd just accepted as normal.

Julian F. ★★★★★ Sep 13, 2026

As someone who wakes up with a sore shoulder most mornings, this actually stays put when I roll onto my side instead of sliding away like my old pillow. The patented side sleeper design keeps my neck lined up, and I've been sleeping through the night for the first time in months.