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Marmot Trestles 15 Long


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Don’t cancel your next overnight adventure just because the forecast is calling for a little rain—bring the all-purpose Trestles 15° Sleeping Bag, built to perform in cold and damp conditions as you’re backpacking, trekking, mountaineering, and more. SpiraFil™ high-loft insulation will keep you warm even when things get wet. After a long day of exploring, zip up the full-length two-way zipper, pull on the 3D hood, and give your feet a rest in the roomy 3D footbox. Its wave-construction top and blanket-construction bottom provide an unbeatable combo of maximum loft, warmth, and comfort where you need it. If the interior gets too toasty, use the fold-down secondary zipper to get some air. Tuck small items into the stash pocket.


·         Fold-Down Second Zipper Provides added Ventilation and Easy Access, Main Zipper Anti-Snag Slider reduces Snagging

·         Anatomically 3D Footbox increases the insulation and room for your feet, for more Warmth and Comfort

·         Spirafil High Loft Insulation for Maximum warmth and durability

·         Combination Wave Construction Top provides Maximum Loft and Warmth, Blanket Construction Bottom for the best warmth and comfort under body

·         Full Length Locking YKK Two Way Zipper

·         3D Hood Construction

·         Stash Pocket

·         "Feely" Draw Cords

·         Snagless Insulated Draft Tube

·         Two Hang Loops

·         Compression Stuff Sack

Technical specs

Best Use


Tested Lower Limit

16 degrees (F) - EN

Tested Comfort

27.3 degrees (F) - EN

Temperature Rating (F)


Temperature Rating (C)



Long - Left Zip: 3 lbs. 11.8 oz.

Regular - Left Zip: 3 lbs. 6.1 oz.



Zipper Location


Insulation Type



SpiraFil LT polyester fibers

Fill Weight

Long - Left Zip: 40.6 ounces

Regular - Left Zip: 36 ounces



Sleeping Bag Shape


Fits Up To (in.)

Long - Left Zip: 78 inches

Regular - Left Zip: 72 inches

Shoulder Girth (in.)

Long - Left Zip: 64 inches

Regular - Left Zip: 62 inches

Hip Girth (in.)

Long - Left Zip: 59 inches

Regular - Left Zip: 57 inches

Stuff Sack Size

Long - Left Zip: 9.5 x 19 inches

Regular - Left Zip: 9.5 x 19 inches

Stuff Sack Volume

Long - Left Zip: 22.1 liters

Regular - Left Zip: 22.1 liters

Compressed Volume

Long - Left Zip: 13.1 liters

Regular - Left Zip: 12.6 liters