Oversized Rectangular Fit – Spacious, gender-neutral design (40 x 80 in) provides plenty of room to move and sleep comfortably. High-Performance ThermaPro Eco Insulation – Lightweight, compressible synthetic insulation made from recycled materials delivers reliable warmth. Dual-Layer Offset Quilt Construction – Helps minimise cold spots and improve heat retention throughout the night. Dual-Slider Locking Zip – Allows flexible ventilation and easy temperature adjustment from either end of the sleeping bag. Adjustable Collar – Helps seal in warmth or increase airflow for personalised temperature control. Soft Recycled Polyester Shell & Lining – Soft-touch 50D recycled polyester fabric with a PFAS-free water-repellent finish offers lasting comfort and durability. Enjoy extra room to stretch out with the Kelty Solstice 40 sleeping bag. Its oversized rectangular shape offers a spacious place to rest, while the soft-touch recycled polyester shell and lining provide a comfortable feel throughout the night. ThermaPro Eco synthetic insulation helps keep you warm, with dual-layer offset quilt construction for added insulation. A dual-slider locking zip allows adjustable venting, while the adjustable collar helps with temperature control. An internal pocket keeps small essentials close by, and the draft tube includes anti-snag webbing for smoother use. Specification Fabric: Recycled 50d Polyester Pongee Fill Type: Synthetic Item Length: 80" / 203 cm Item Width: 40" / 102 cm Hip Girth: 80" / 203 cm Packed Size: 15 x 8 x 8 in / 38.1 x 20.32 x 20.32 cm Packed Weight: 3 lb 7 oz / 1.56 kg