Sea to Summit Spark Sleeping Bags - Minimum Weight, Maximum Warmth

If you’re looking for a seriously light weight, extremely packable sleeping bag for adventures in cold conditions we recommend you take a look at the Sea To Summit Spark.

There's a Sea To Summit Spark Sleeping Bag for All Your Adventures

The Sea To Summit Spark sleeping bag range at Outside Sports covers overnight temperatures from 0° to as low as -9° Celsius. That temperature rating range is enough to handle most spring, summer, and autumn conditions you’ll encounter in New Zealand. Simply choose the model that matches the lowest temperature you expect to be sleeping in. Having said that women do tend to sleep colder than men – so if you’re a woman maybe choose a Spark model that’s rated for colder temperatures 😁

Unisex and Women’s Specific Versions

Sea To Summit Spark sleeping bags come in both unisex and women’s-specific versions, each tailored to different needs. The women’s-specific models feature a contoured design with additional down fill, offering a narrower fit at the shoulders and a wider shape from the hips to the knees compared to the unisex bags. This thermally optimized design allows women to comfortably sleep on their side or stomach without compressing the insulation and causing cold spots. The down is strategically placed in individual chambers, with body-mapped fill patterns distinct from the unisex versions, ensuring extra warmth exactly where it’s needed most.

Unisex Versions

Sea To Summit Spark -1°C Down Sleeping Bag Regular

Sea To Summit Spark Pro -1°C Down Sleeping Bag

Sea To Summit Spark -9°C Down Sleeping Bag Regular

Sea To Summit Spark Pro -9°C Down Sleeping Bag Regular

Women's Versions

Sea To Summit Women's Spark7°C Down Sleeping Bag Regular

Sea To Summit Women's Spark -1°C Down Sleeping Bag Regular

Sea To Summit Women's Spark -9°C Down Sleeping Bag Regular

Maximum Thermal Efficiency and Comfort

The Sea to Summit Spark sleeping bags are designed with a tapered, form-fitting shape that maximizes thermal efficiency while still giving you room to move comfortably during sleep. Made from soft, 10-denier fabric, they offer a gentle feel against your skin and exceptional comfort, paired with the durability needed to endure your adventures on the trail or road.

Maximum Packability at Minimum Weight

The -9°C rated version of the Spark sleeping bag in size ‘Regular’ boasts a remarkably compact compressed volume of just 6.8 liters, making it easy to pack for any adventure. It’s also incredibly lightweight, weighing only 780 grams in its stuff sack, so it won’t weigh you down. For even lighter travel, the -1°C rated version is an impressive 493 grams in its stuff sack, offering exceptional warmth for its minimal weight.

Enhanced Water Resistance and Breathability

To help protect you and your sleeping bag from moisture in damp conditions, the Sea to Summit Spark range features a PFC and PFAS free durable water proofing in the hood and footbox.

The down fill is 100% RDS certified water-resistant 850+ loft down. Its PFC and PFAS-free hydrophobic Ultra-Dry Down treatment keeps the down fill from absorbing moisture and allowing it to dry more quickly.

Highly breathable shell and liner fabrics help release the water vapour you generate while you’re tucked into your sleeping bag.That’s especially important if you’re a warm sleeper or your get into your bag to warm up soon after finishing strenuous activity – like climbing, alpine hiking and ski touring.

A Zip Plow to Prevent Catching

One of the most frustrating things about down items is how easy it is to snag and catch the fabric along the zip. The Sea to Summit Spark eliminates that risk with a wide zipper plow for snag-free zipping. And if you want to enjoy addition body warmth on a cold night you can zip two full length zipper Spark bags together.

The Sea to Summit Sleep System

The concept of a sleep system – sleeping mats, sleeping bags, liners and pillows designed to work together – was pioneered by Sea to Summit. Outside Sports has a range of Sea to Summit sleep system options so you can enjoy a great night’s sleep wherever your adventures take you.

If you’d like to know more contact us at info@outsidesports.co.nz, message us, visit our website, or see us at any Outside Sports store.

Sea To Summit TPU Guide Map Case Med

$49.99

Sea To Summit TPU Guide Map Case Large

$54.99

Sea To Summit Map Case Small

$34.99

Prepare for Your Next Adventure

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February 19, 2025 — John Darby

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