Mountainsmith Sunlight 20°


Spring 2011
Weight 2 lb 13 oz / 1276 g
Fill weight 1 lb 7 oz / 652 g
Temperature rating 20 F / -7 C
Fill 650 fill-power down
Shape Mummy
Max user height 76 in / 193 cm
Shoulder girth 65 in / 160 cm
Hip girth 60 in / 152 cm

Where to Buy

sponsored links
Help support this site by making your next gear purchase through one of the links above. Click a link, buy what you need, and the seller will contribute a portion of the purchase price to support Trailspace's independent gear reviews.

Manufacturer's Description

Mountainsmith’s Sunlight 20º comes in a relaxed mummy shape with right-hand, calf-length, two-way locking YKK® zippers with anti-snag reinforcement. Also includes a form-fitting adjustable hood and neck baffle collar.

* Differential box baffle construction for optimal heat retention.
* Internal liner loops.
* Full-length draft tube protects against heat escape along the zipper.
* Contoured footbox ensures sleeping comfort.
* External hang loops, convenient for drying or pad lashing
* Cotton sacks are provided for storage.
* Sil-Nylon water-resistant compression stuff sack.

Visit Mountainsmith's Sunlight 20° page.

Retailers' Descriptions

Here's what other sites are saying:

Stay cozy during those spring and autumn camp-outs in MountainSmith's Sunlight 20 Degree Sleeping Bag. 650-fill duck down keeps you warm within the box baffle construction. Further block out chilly air with the full-length draft tube, neck baffle collar, and adjustable hood.

- Mountain Gear

Free Shipping. Mountainsmith Sunlight 20 Degree Sleeping Bag DECENT FEATURES of the Mountainsmith Sunlight 20 Degree Sleeping Bag Relaxed mummy shape Right-hand zipper Box baffle construction Form-fitting adjustable hood Neck baffle collar (N/A on Windom 35) Calf-length, two-way locking zipper Full length draft tube Anti-snag zipper reinforcement Contoured footbox External hang loops for drying or pad lashing Differential cut for optimal loft Water-resistant compression stuff sack Cotton storage sack The SPECS YKK 2 Way Autolock Zippers 33dx244T Sil-Nylon RipStop Stuffsack Semi-Bleached Cotton Storage Sack Temperature Rating: 20deg F / -7deg C Comfort Limit: 25deg F / 0deg C Lower Limit: 19deg F / -6deg C Fits to 6'4in. / 193 cm Shoulder Girth: 65.0in. / 165 cm Dimension: (L x H x D): 80.0in. x 32.5in. / 203 x 82.5 cm Stuffed Dimension: 12.0in. x 8.0in. / 30.5 x 20.25 cm Total Weight: 2 lbs 13 oz / 1.27 kg Fill Weight: 23 oz Fabric: 50dx300T Diamond Poly RipStop W/R, CIRE, D/P, 50dx300T Taffeta Poly Liner W/R, CIRE Insulation: 90% 650 Fill Power Duck Down

- Moosejaw

The Mountainsmith Sunlight 20 Degree with 650 fill power duck down bag features a relaxed mummy fit (fits to 6'4" with shoulder girth up to 65") and accommodates a host of features guaranteeing a sound night's sleep. Add in the value of the cotton storage sack and sil-nylon compression stuff sack (stuffs down to 12 in x 8 in / 30.5 cm x 20.3 cm) and this bag can't be beat. EN Rated


Mountainsmith Sunlight 20°


The Mountainsmith Sunlight 20° is not available from the stores we monitor. It was last seen December 21, 2013 at Mountain Gear.

Recently on Trailspace

Keen Men's Voyageur Review

Red's Meadow Hikers Cabins

Kearsarge North (NH) 12 August 2017