Trestles 30 Synthetic Sleeping Bag Mens by Marmot All-purpose and warm in cool, damp conditions, the thermally-bonded, blended insulation fibers and wave construction in Marmot’s unique Trestles bag are incorporated into a combination of blanket and shingle construction to create a warm, soft, compressible bag Perfect for summer trips, this bag insulates without overheating Features: [...]