Sea to Summit Trek TkI - Regular Wide bright blue/denim

Three-season duck down performance in a wider cut for users who need more room to move.

The Sea to Summit Trek TkI Regular Wide is built for hiking, camping, and travel in three-season conditions. It uses certified 650+ Loft ULTRA-DRY Down insulation in a 3D sidewall construction to maximize thermal efficiency, while the Regular Wide cut adds approximately 20 cm of circumference over the standard Regular for broader-shouldered or side-sleeping users.

Features

• Certified 650+ Loft ULTRA-DRY Down insulation — compressible and moisture-resistant

• 3D sidewall construction maximizes down loft and insulation performance

• 3D hood with adjustable cinch cord

• Large anti-snag zipper channel retains body heat

• Converts to a blanket; zip coupling compatible with other Sea to Summit bags

• Includes Ultra-Sil Compression stuff sack

Technical Specifications

• Outer and lining: 100% Nylon

• Insulation: Duck Down, min. 85% down, 650+ fill power, ULTRA-DRY treated

• Temperature rating: +5°C (upper comfort) / -1°C (comfort) / -16°C (lower limit)

• Body length: 183 cm

• Dimensions (shoulder/hip/foot/length): 183 × 172 × 161 × 122 cm

• Packed size: 18 × 40 cm

• Weight: 920 g