Sea to Summit Boab Synthetic 15°F Sleeping Bag – Long (2-Season)

Overview

The Sea to Summit Boab Synthetic Sleeping Bag is a thoughtfully designed, two-season option built for side sleepers who want comfort, durability, and responsible materials without sacrificing versatility. Its roomy, tapered rectangular profile lets shoulders and hips move naturally, making nights outdoors feel less restricted and more restful.

Smart design for comfort and temperature control

A full-length zipper runs through the footbox, allowing easy conversion into a blanket when conditions relax. Dual zipper sliders and a shoulder snap provide targeted ventilation so you can fine-tune airflow without losing warmth. A draft tube along the zipper helps minimize cold drafts, helping you maintain a comfortable sleeping environment across varying weather.

• Roomy shape tailored for side-sleepers, balancing space and warmth for comfortable nights outdoors
• Full-length zipper through the footbox with dual sliders and a shoulder snap for customizable ventilation
• YKK #5 zippers with a zipper plough ensure snag-free operation; draft tube reduces cold air entry
• Non-PFAS DWR coating helps moisture shed while keeping fabrics lightweight

Sustainable materials and sustainability at a glance

The shell and insulation are made from 50-denier RCS-certified, bluesign-APPROVED recycled polyester, reflecting Sea to Summit’s commitment to responsible production. The fabric’s non-PFAS DWR finish adds water-repellent performance without compromising fabric feel. This focus on sustainable materials aligns with practical outdoor use and responsible camping.

• 50D bluesign-approved recycled polyester shell and insulation
• Non-PFAS DWR finish for moisture resistance
• Lifetime warranty against defects in materials or workmanship

Specs, fit, and practical use

Available in four sizes—Short, Regular, Regular Wide, and Long—and two temperature ratings: 30°F (-1°C) and 15°F (-9°C). The Long measures 90.90 x 31.90 inches and weighs 4.72 pounds, offering substantial coverage for cooler nights while remaining manageable for backcountry trips.

Durability, care, and planet-friendly impact

Durable YKK #5 zippers with a plough provide reliable operation, complemented by a draft tube to guard against chilly drafts. This bag is part of Sea to Summit’s 1% for the Planet commitment, underscoring a broader effort toward sustainable outdoor gear. The company backs its products with a lifetime warranty, giving you long-term peace of mind with proper care.

Real-world use cases

Whether you’re camping, fishing, or trekking, the Boab’s versatility shines. The ability to convert to a blanket and tailor ventilation makes it suitable for cool nights by a riverside, alpine hikes with changing temps, or travel scenarios where packing light yet flexible gear matters.