Hyperlite Mountain Gear comparison of backpacks

BACKPACK	VOLUME	WEIGHT (M size)	DYNEEMA® POLYHYBRID	MAX LOAD CAPACITY	SPECIFICATION
PORTER	2400 (40L) 3400 (55L) 4400 (70L) 5400 (85L)	865g (1.90 lbs, 30.52 oz) 939g (2.07 lbs, 33.12 oz) 1129g (2.49 lbs, 39.84 oz) 1387g (3.06 lbs, 48.96 oz)	50D 50D 150D 150D	40 lbs (<18kg) 40 lbs (<18kg) 60 lbs (<27kg) 65 lbs (<29kg)	-no external pockets -4x daisy chains -internal zippered pocket -zippered pockets on hip belt -ideal for winter sports, climbing, bikepacking, packrafting
SOUTHWEST	2400 (40L) 3400 (55L) 4400 (70L)	WHITE 852g (1.88 lbs, 30.08 oz) BLACK 917g (2.02 lbs, 32.37 oz) WHITE 910g (2.00 lbs, 32.11 oz) BLACK 991g (2.18 lbs, 34.97 oz) WHITE 1114g (2.45 lbs, 39.31 oz)	WHITE 50D BLACK 150D WHITE 50D BLACK 150D WHITE 150D	40lbs (<18kg) 40lbs (<18kg) 60lbs (<27kg)	-3x external solid pockets -zippered pockets on hip belt -ice Axe loop -internal mesh hydro sleeve with hydro port -4x external triglide buckles -ideal for backpacking, thru-hiking, bushwhacking
WINDRIDER	2400 (40L) 3400 (55L) 4400 (70L)	WHITE 851g (1.87 lbs, 30.04 oz) BLACK 916g (2.02 lbs, 32.34 oz) WHITE 902g (1.98 lbs, 31.82 oz) BLACK 987g (2.17 lbs, 34.82 oz) WHITE 1106g (2.43 lbs, 39.02 oz)	WHITE 50D BLACK 150D WHITE 50D BLACK 150D 150D	40lbs (<18kg) 40lbs (<18kg) 60lbs (<27kg)	-3x external mesh pockets -zippered pockets on hip belt -ice Axe loop -internal mesh hydro sleeve with hydro port -4x external triglide buckles -ideal for hiking, backpacking, thru-hiking in wet climates