Sea to Summit Pursuit SI Mat - Regular Wide zinnia

Three-season self-inflating mat with foam-supported air channels and a responsible material profile.

The Sea to Summit Pursuit SI Mat is a 7.5 cm thick self-inflating sleeping mat designed for comfort-focused backcountry use. Horizontal Delta Coring creates foam-supported air channels that balance insulation and cushioning across three seasons. The mummy (contour) shape provides room to shift sleeping positions without the bulk of a full rectangular mat.

Features

• 7.5 cm Horizontal Delta Core construction — foam-supported air chambers balance cushioning and insulation

• ASTM-tested R-value of 4.2 — rated for extended three-season use

• XPEL Multi-Function Valve for straightforward inflation, fine adjustment, and deflation

• Mummy (contour) shape — room to side-sleep without excess material

• Recycled, solution-dyed, bluesign APPROVED, non-PFAS 20D polyester fabric

• Side-loading stuff sack included for streamlined packing

Technical Specifications

• Fabric: 20D polyester (recycled, solution-dyed, bluesign APPROVED, non-PFAS)

• Fill: Polyurethane foam

• Thickness: 7.5 cm

• R-value: 4.2 (ASTM-tested)

• Dimensions: 183 × 56 cm

• Packed size: 30 × 16 × 16 cm

• Weight: 630 g