Here's what other sites are saying:
Built for alpinists and backpackers who travel rain or shine, the Mountain Equipment Matrix III Sleeping Bag combines synthetic and down insulation for warmth in spring, summer and fall.
Free Shipping. Mountain Equipment Matrix III Sleeping Bag FEATURES of the Mountain Equipment Matrix III Sleeping Bag Alpine fit with tapered lower leg for improved thermal efficiency and weight reduction Trapezium 4: 4 Baffle trapezoid foot piece with Bull-Eye technology for down control and low weight DC5 Hood: 5 Baffles and anatomical fit provide high levels of warmth and down control with low weight Solus Collar: For optimum lightweight insulation with down draft tubes Hybrid Construction: A combination of down baffles and synthetic layers for compressibility, durability and insulation when damp Zip: 3/4 Length side zip with anti-snag baffle Storage: Supplied with lightweight stuff sack and mesh storage sack SPECIFICATIONS of the Mountain Equipment Matrix III Sleeping Bag Extreme Temp Limit: -2Adeg F / -19Adeg C Comfort Temp: 35Adeg F / 2Adeg C Zip Options: LZ, RZ Helium 30 Outer Shell is exceptionally lightweight and highly breathable Supersoft 20 Lining; exceptionally light, breathable and comfortable WR 90/10 725 Fill Power Duck Down SPECIFICATIONS for Regular Total Weight: 45 oz Total Fill Weight: 16 oz Inside Length: 83in. Inside Maximum Width: 30in. Inside Foot Width: 20in. Maximum User Height: 73in. Stuff Sack Dimension: 8 x 12in. SPECIFICATIONS for XL Total Weight: 47 oz Total Fill Weight: 17 oz Inside Length: 89in. Inside Maximum Width: 31in. Inside Foot Width: 20in. Maximum User Height: 79in. Stuff Sack Dimension: 8 x 13in.
Mountain Equipment Matrix I
Mountain Equipment Aurora III
Mountain Equipment Starlight III
Eureka! Wild Basin 0
Mountain Hardwear Lamina 20°
ALPS Mountaineering Echo Lake 20
$40 - $49
Mountain Hardwear Mountain Goat 20°
$65 - $99