# Crazily Compact Sleeping Bag The Sea to Summit Spark SPI Rolls Up to Fit in the Palm of a Hand By Meghan Young | Published 2014-02-07 | Lifestyle Source: Trend Hunter, https://www.trendhunter.com/trends/sea-to-summit-spark-spi References: [ohgizmo](http://www.ohgizmo.com/2014/02/06/spark-spi-is-a-sleeping-bag-you-can-hold-in-the-palm-of-your-hand/) & [seatosummit](http://www.seatosummit.com/products/display/188) When it comes to extreme adventuring such as mountain climbing, portaging and other recreational journeys requiring lightweight supplies that are easily toted around, [sleeping bags](https://www.trendhunter.com/trends/rumpl-wrap-sack-20) are far from compact; that is, until the Sea to Summit Spark SPI was created. It is a revolutionary sleeping bag that rolls up so tightly, it can fit into the palm of a person's hand. Ideal for summer activities such as [cycle touring](https://www.trendhunter.com/trends/bikepacking-tent) and [ultra-light hiking](https://www.trendhunter.com/trends/nanobag-daypack), the Sea to Summit Spark SPI is made out of a Pertex Quantum shell, nylon liner and 850+ loft goose down. Incredibly lightweight, is very warm in spite of its compactness. Nevertheless, its size and temperature rating means it can also work well as a booster bag for added warmth. ## Trend Insights (Trend Hunter) - Score: 3.6/10 - Popularity: 39% | Activity: 62% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Lifestyle](https://www.trendhunter.com/lifestyle) > [Sports](https://www.trendhunter.com/sports) ## Key Themes ### Key Themes Behind This Trend - **Ultra-compact Gear:** Disruptive innovation opportunity: Develop lightweight and highly portable products for extreme adventuring. - **Extreme Lightweight Materials:** Disruptive innovation opportunity: Explore new materials that offer both durability and weight reduction for outdoor equipment. - **Versatile Multi-functional Gear:** Disruptive innovation opportunity: Design gear that serves multiple purposes and offers convenience for different outdoor activities. ### Where This Applies - **Outdoor Recreation:** Disruptive innovation opportunity: Create innovative products that cater to the growing demand for outdoor adventure and recreation. - **Textile Manufacturing:** Disruptive innovation opportunity: Develop advanced fabrics and textiles that provide both lightweight and high-performance characteristics for outdoor equipment. - **Sporting Goods:** Disruptive innovation opportunity: Provide innovative solutions to the market for lightweight and compact gear that still deliver excellent performance. ## Related on Trend Hunter - [All-Conditions Sleeping Bags](https://www.trendhunter.com/trends/allconditions-sleeping-bag.md) - [Featherweight Down Sleeping Bags](https://www.trendhunter.com/trends/down-sleeping-bag.md) - [Versatile Women’s Sleeping Bags](https://www.trendhunter.com/trends/versatile-womens-sleeping-bag.md) - [Extreme Environment Sleeping Bags](https://www.trendhunter.com/trends/aerogel-sleeping-bag.md) - [Sustainably Synthetic Sleeping Bags](https://www.trendhunter.com/trends/synthetic-sleeping-bag.md) - [Self-Inflating Insulated Sleeping Pads](https://www.trendhunter.com/trends/tiny-sleeping-pad.md) - [Side Sleeper Camping Mats](https://www.trendhunter.com/trends/insulated-sleeping-mat.md) - [Packable Down-Filled Sleeping Bags](https://www.trendhunter.com/trends/rab-neutrino-400-down-sleeping-bag.md) - [Aerogel-Filled Warm Sleeping Bags](https://www.trendhunter.com/trends/biigloo.md)