A sleeping bag that weighs too much gets left behind — and then you’re cold. The Ultralight 3-Season Envelope Sleeping Bag at just 0.819 kg solves that problem without compromise. Covering spring, summer, and autumn camping conditions, it delivers the warmth you need without the weight penalty of a four-season bag. Available in two sizes — 190 × 75 cm for a standard fit and 205 × 85 cm for taller or broader sleepers — and multiple colours, this envelope-style bag gives you room to move and the option to zip two bags together for a double sleeping configuration. Compact, packable, and ready for wherever the trail leads. Specifications Specification Detail Style Envelope Season Rating 3-Season (Spring, Summer, Autumn) Standard Size 190 × 75 cm Lengthened Size 205 × 85 cm Weight 0.819 kg Splicing Yes – zip two bags together for double Available Colors Deep Blue, Army Green, Brown, Blue, Green Applicable Users Adults Why Choose This Ultralight Envelope Bag? Ultralight at 0.819 kg: Light enough for backpacking and hiking without sacrificing warmth for 3-season conditions. Two Size Options: Standard (190 × 75 cm) for most adults and lengthened (205 × 85 cm) for taller or broader sleepers — a proper fit for everyone. Envelope Style for Comfort: Roomier than mummy bags, with space to move and stretch for a more natural sleeping position. Splicing Compatible: Zip two bags together for a double sleeping bag — i for couples or anyone who wants extra room. Multiple Colour Options: Five colours to match your kit or personal preference. I For Backpackers and hikers needing a lightweight 3-season bag Couples who want to zip two bags together Festival campers needing a compact, packable sleeping bag Spring, summer, and autumn camping trips Taller adults needing the 205 × 85 cm lengthened size In the Box 1 × Ultralight 3-Season Envelope Sleeping Bag (size & colour as selected) 1 × Carry bag