Ascent sleeping bag is the most versatile in our sleeping bag range and is suitable for many climatic conditions and various adventures. From long-distance treks to weekend trips, the ultralight 750+ FILL Power material offers additional warmth in cooler climatic conditions, whilst the Free Flow Zip System allows additional airflow and ventilation in warmer climatic conditions. The Ascent sleeping bag, which prioritises comfort and adaptability, is a first-rate choice for versatile adventures.

• Shell: 100% nylon Lining: 100% nylon down with 90/10 goose down filling. Material: 100% nylon without binding
• INSULATION: 750+ FILL Power, RDS_x005F_x0002_certified goose down with Ultra Dry Down treatment for improved water resistance in damp conditions.
• Fabric: recycled 20-Denier nylon shell and lining. 10-Denier nylon waterproof breathable hood and foot box.
• Cut: Relaxed mummy cut: A more relaxed but tapered mummy cut with high thermal performance.
• ZIP: Free Flow Zip System: Primary zip - full length #5 zip with two sliders. Secondary zip - 1/2 length #5 zip with two sliders. Foot box zip - #5 with two sliders
• BAFFLE CONSTRUCTION: Vertical chest baffles, horizontal baffles in the lower half and at the bottom, box wall construction along the full length
• Collar: Fitted front collar: ribbed across the neck and oversized at the shoulders.
• HOOD: Generous fitted hood with two Soft Touch adjustment settings. Fits a standard Sea to Summit pillow.
• DRAFT TUBE: Simple down-filled draft tube along the top of all zips.
• RUCKSACK INTEGRATION: Pairs with Sea to Summit women's rucksacks.
• Quilt integration: Pairs with STS quilts Pillow integration: Not applicable
• Suitable for heights up to 185 cm

We offer a 30-day period for returning or exchanging goods if, for any reason, you are not satisfied with your order.

For more information, please see our Return Policy here.

Orders received by 14:00 are dispatched the same day. Delivery usually takes place on the next business day, depending on the selected shipping method. During busy periods, please allow 1–3 business days for order processing.

Free delivery from €200 / for oversized shipments from €400

Free of charge, ready for pickup on the next business day

For more information, please see our Delivery page.