
Delta SI V Seat
Sea to Summit · price last verified 29m ago
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About this product
Delta SI V Seat
Our Self Inflating Seat Deluxe takes the classic Self Inflating Seat and unfolds it to create seat and back comfort. Use it as a 5cm thick cushioning seat, or unfold to create a backcountry couch when lounging against a log or boulder.
Tech Specs
Materials
• Fabric: 100% Polyester
• Inner Foam: 100 PU
• Valve: 100% TPU
• Valve Flap: 100% Silicone
Thickness
• 3.8 cm | 1.5 in
Specifications
• Weight: 96 g | 3.4 oz
• Packed Weight: 106 g | 3.7 oz
• Dimension: 40 x 3.8 x 30 cm | 16 x 1 x 12 in
• Packed Size: 8 x 8 x 8 cm | 3 x 3 x 3 in
• Length: 40cm | 16in
Key Features
• Provides versatile back support when lounging, or a thicker cushioning when used as a sit pad
• Robust and durable 75D polyester base resists wear; soft-to-touch 30D stretch knit top fabric for comfort
• Our patented low-profile multi-function mini-valve provides fast inflate, deflate and easy fine-tuning
• Foam is cored to be lightweight and compressible yet still provides 5cm of premium cushioning when folded double
• Storage sack included
Available Options
Size
• Standard
Specs
- Weight
- 106 g
Price history
Price has held at $36.95 across 43 checks since Sep 20, 2026.
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Published Sep 23, 2026 · Prices are as seen at source and may change.