Sea to Summit Pursuit Plus SI Mat - Large Rectangular Wide zinnia

Three-season insulation and full-width sleeping space in a self-inflating backcountry mat.

The Sea to Summit Pursuit Plus SI Mat (Large Rectangular Wide) is a 7.5 cm thick self-inflating mat built for comfort-focused overnight use in the field. Horizontal Delta Core construction uses foam-supported air channels to balance insulation, cushioning, and packed volume. The rectangular format provides ample room to shift positions through the night, and the XPEL Multi-Function Valve allows straightforward inflation, fine adjustment, and rapid deflation.

Features

• Horizontal Delta Core construction — foam-supported air channels for insulation and cushioning
• ASTM-tested R-value of 4.2 for extended three-season use
• XPEL Multi-Function Valve for easy inflation, adjustment, and deflation
• Side-loading stuff sack for streamlined packing
• Recycled, solution-dyed, bluesign APPROVED, non-PFAS 20-denier fabric
• Part of the 1% for the Planet commitment

Technical Specifications

• Dimensions: 198 × 76 × 7.5 cm
• Packed size: 40 × 17 × 17 cm
• R-value: 4.2
• Material: Polyester / Polyurethane with foam rubber fill
• Weight: 1.41 kg