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Product details

Features

- 14% lighter, 30% thicker, and 16% more insulative than the previous model.
- Air Sprung Cell™ technology provides even weight distribution and eliminates pressure points for superior comfort—ideal for side sleepers.
- ThermalCore insulation with reflective TRM layer retains warmth and improves R-Value performance by 16%.
- Hybrid 30D/40D fabric with TPU laminate and Ultrafresh antimicrobial treatment ensures long-term durability and hygiene.
- RCS-certified recycled fabrics and bluesign® APPROVED materials reduce water, chemical, and energy use by approximately 30%.
- Compact packed volume—53% smaller than previous models for easy storage and portability.
Includes field-repair kit with self-adhesive patches and a spare valve insert.
- Compatible with PillowLock™ system to keep your Sea to Summit Aeros Pillow securely in place.
- Backed by a proven 10-year field durability record for total confidence on any expedition.

Specification

- Stuff sack w/ integrated pump, repair kit & Pillow Lock
- R-Value 3.6
- Season Rating - 3 Season
- Special Anti-microbial liquid-extruded TPU lamination to reduce delamination
- Thickness - 2.6 in / 6.5 cm
- Dimensions 183 x 55cm
- Packed Size 19 x 10cm
- Packed Weight - 475g
- Pump sack weight - 60g

Materials

- Durable 30D/40D nylon