Marmot Trestles Elite Eco 30° Sleeping Bag

The Marmot Trestles Elite Eco 30° is the lightest bag in the entire Trestles line at just 855 g, tuned for the warmer end of three-season use — 3°C comfort, -2°C limit. That low weight comes with a trade-off in thermal efficiency: its warmth-to-weight ratio of 2.3 is the lowest of the five compared Trestles models, the expected compromise for a summer-oriented bag. The recycled, PFC-free HL-ElixR Eco fill sits inside a 40D nylon ripstop shell and liner, and a fitted, contoured hood follows the head's shape without adding bulk. Footbox ventilation lets you dump heat on warmer nights without fully unzipping, and a left-side full-length two-way zipper rounds out the feature set. With a unisex fit, 157 cm shoulder width, and a rating up to 182 cm user height, this bag is a versatile choice for summer multi-day treks and bikepacking where every gram in the pack counts — at the cost of margin if temperatures drop unexpectedly below freezing.