What Our Gearhead(R) Experts Are Saying: "The spoon shape gives me knee-up side-sleep comfort, and the Endless Promise build feels future-minded. Warmth is legit for shoulder-season nights."We sleep naturally in the NEMO Forte Endless Promise 20 Deg. The signature spoon shape opens space at the knees and elbows for side-sleep comfort, while thoughtful materials extend the bag's life and future recyclability. Draft-blocking features and a comfort-tuned hood keep warmth sealed when temps slide toward the 20s, making it a versatile choice for spring and fall trips.