Alpha Size	Numeric Size	Chest*	Waist	Hip**
XXS	00	31.5 in	24.5 in	34 in
XS	0	32.5 in	25.5 in	35 in
XS	2	33.5 in	26.5 in	36 in
S	4	34.5 in	27.5 in	37 in
S	6	35.5 in	28.5 in	38 in
M	8	36.5 in	29.5 in	39 in
M	10	37.5 in	30.5 in	40 in
L	12	39 in	32 in	41.5 in
L	14	41 in	34 in	43.5 in
XL	16	43 in	36 in	45 in
XL	18	45 in	38 in	47 in
XXL	20	47 in	40 in	49 in
XXL	22	49 in	42 in	51 in

Alpha Size	Chest*	Hip	Arm Length
XXS	33 in	32 in	30 in
XS	35 in	34 in	32 in
S	37 in	36 in	33 in
M	40 in	39 in	34 in
L	44 in	43 in	35 in
XL	47 in	46 in	36 in
XXL	50 in	49 in	37 in
XXXL	56 in	55 in	37.5 in

Alpha Size	Waist	Hip*
XXS	26 in	32 in
XS	28 in	34 in
S	30 in	36 in
M	33 in	39 in
L	36 in	42 in
XL	39 in	45 in
XXL	42 in	48 in
XXXL	45 in	51 in

Numeric Size	Waist	Hip*
28	29 in	35 in
29	30 in	36 in
30	31 in	37 in
31	32 in	38 in
32	33 in	39 in
33	34 in	40 in
34	35 in	41 in
35	36 in	42 in
36	37 in	43 in
38	39 in	45 in
40	41 in	47 in
42	43 in	49 in
44	45 in	51 in

Size	Height	Chest	Waist	Hips	Inseam
XS	5'3"–5'6"	32.5–33.5	25.5–26.5	34–36	29–30
S	5'3"–5'6"	34.5–35.5	27.5–28.5	37–38	29–30
ST	5'7"–5'8"	34.5–35.5	27.5–28.5	37–38	31–32
MS	5'0"–5'3"	36.5–37.5	29.5–30.5	39–40	27–28
M	5'3"–5'6"	36.5–37.5	29.5–30.5	39–40	29–30
MT	5'7"–5'8"	36.5–37.5	29.5–30.5	39–40	31–32
L	5'3"–5'6"	39–41	32–34	41.5–43.5	29–30
XL	5'3"–5'6"	43–45	36–38	45–47	29–30
XXL	5'3"–5'6"	47–49	40–42	49–51	29–30

Size	Height	Chest	Waist	Hips	Inseam
XS	5'7"–6'0"	36–37	28–29	35–36	31–32
S	5'7"–6'0"	38–39	30–31	37–38	31–32
MS	5'3"–5'6"	40–41	32–33	37–38	29–30
M	5'7"–6'0"	40–41	32–33	39–40	31–32
MT	6'1"–6'3"	40–41	32–33	39–40	33–34
LS	5'3"–5'6"	42–43	34–35	41–42	29–30
L	5'7"–6'0"	42–43	34–35	41–42	31–32
LT	6'1"–6'3"	42–43	34–35	41–42	31–32
XLS	5'3"–5'6"	46–48	38–40	44.5–46.5	29–30
XL	5'7"–6'0"	46–48	38–40	44.5–46.5	31–32
XXL	5'7"–6'0"	50–52	42–44	48.5–50.5	31–32

Age	Weight	Length
Newborn	up to 7 lbs	up to 20 in
0-3M	7-15 lbs	21-24 in
3-6M	15-20 lbs	25-27 in
6-12M	20-25 lbs	28-31 in
12-18M	25-28 lbs	31-33 in
18-24M	28-32 lbs	33-35 in
2T	28-32 lbs	35 in
3T	32-35 lbs	38 in
4T	35-40 lbs	41 in
5T	39-42 lbs	44 in

Alpha Size	Numeric Size	Height	Weight	Chest	Waist	Hip
XS	(5-6)	46.5 in	45 lb	24 in	23 in	25 in
S	(7-8)	52 in	65 lb	26.5 in	24.5 in	27.75 in
M	(10)	55.5 in	78 lb	27.5 in	25.5 in	29 in
L	(12)	58.5 in	95 lb	28.5 in	26.5 in	30.5 in
XL	(14)	61.5 in	108 lb	30.5 in	28 in	32 in
XXL	(16-18)	66.5 in	130 lb	33.5 in	31 in	35 in

Size	Head Circumference
One Size	21.75 - 24 in
Small/Medium	21.75 - 22.75 in
Large/X-Large	22.75 - 24 in

Size	Women's USA	Men's USA	UK	Europe	Japan*
X-Small	—	—	—	—	—
Small	4-6½	—	2-4½	34-37	21-23
Medium	7-9½	6-8½	5-7½	38-41	23½-25½
Large	10-12½	9-11½	8-10½	42-45	26-28½
X-Large	—	12-14½	11-13½	46-49	29-32½

Capacity	Best For
5–20 liters	Whatever you need for a short outing.
21–35 liters	A small pack for a full-day on the go.
36–50 liters	Best for overnights or technical day trips.
51–65 liters	Built for weekends or a few days away from home.
66–74 liters	For a week-long excursion or when you need extra room for gear.
75–100 liters	Best for weeks-long or intensive travel.

Pack	Gear Capacity	Dimensions	Weight	Torso	Waist
Atom Daypack 24L	1,465 cu. in.	16 x 12 x 7	1 lb 5.2 oz	—	—
Atom Sling 8L	488 cu. in.	13.5" x 9" x 3"	12oz.	—	—
Atom Tote Pack 20L	1220 cu. in.	16" x 12" x 5"	1 lb. 7 oz.	—	—
Black Hole® Waist Pack 5L	305 cu. in.	16" x 6.5" x 4.5"	11.1 oz.	—	—
Black Hole® Micro MLC® 22L	1,343 cu. in.	18 x 12 x 7.5	1 lb 14.7 oz	—	—
Black Hole® Cube 3L	283 cu. in.	10.5" x 3.5" x 5.5"	3.8 oz.	—	—
Black Hole® Cube 6L	366 cu. in.	11" x 4.3" x 7"	6.7 oz.	—	—
Black Hole® Cube 14L	854 cu. in.	14" x 5.9" x 11"	10.2 oz.	—	—
Black Hole® Mini MLC® 30L	1831 cu. in.	20" x 12" x 7"	2 lb. 13 oz.	—	—
Black Hole® MLC 45L	2746 cu. in.	22" x 14.5" x 7.6"	3 lb. 10 oz.	—	—
Black Hole® Pack 25L	1465 cu. in.	18.8" x 11" x 5.9"	22.58 oz.	—	—
Black Hole® Pack 32L	1953 cu. in.	20.5" x 11" x 8.3"	1 lb. 11 oz.	—	—
Black Hole® Tote 25L	1526 cu. in.	11" x 16" x 8"	13.8 oz.	—	—
Black Hole® Gear Tote 61L	3722.5 cu. in.	14.5" x 22.5" x 14.1"	1 lb. 14 oz.	—	—
Fieldsmith Hip Pack 5L	305 cu. in.	10.5" x 6.25" x 3.5"	8.5 oz.	—	—
Fieldsmith Roll-Top Pack 32L	1953 cu. in.	29" x 20" x 7"	1 lb. 15.4 oz.	—	—
Fieldsmith Lid Pack 28L	1709 cu. in.	20" x 13" x 6"	1 lb. 11.2 oz.	—	—
Fieldsmith Linked Pack 24L	1465 cu. in.	18" x 11.5" x 7"	1 lb. 6.9 oz.	—	—
Haulsmith Pack 44L	2685 cu. in.	24" x 13" x 10"	2 lb. 9.3 oz.	—	—
Kids' Refugito Daypack 12L	732 cu. in.	13" x 10" x 5.5"	10.8 oz.	—	—
Kids' Refugito Daypack 15L	915 cu. in.	14.5" x 11" x 6"	11.5 oz.	—	—
Kids' Refugito Daypack 18L	1098 cu. in.	15.75" x 11.8" x 5.9"	1 lb. 2 oz.	—	—
Refugio Daypack 26L	1587 cu. in.	18" x 12" x 7.5"	1 lb. 7.5 oz.	—	—
Refugio Daypack 30L	1831 cu. in.	18" x 12" x 9"	1 lb. 10.9 oz.	—	—
Refugio Daypack 32L	1953 cu. in.	21" x 12" x 11"	1 lb. 12.2 oz.	—	—
Recycled Market Tote	1220 cu. in.	15" x 12" x 6"	9.3 oz.	—	—
Recycled Oversized Tote	3356 cu. in.	18" x 20" x 8"	14.4 oz.	—	—
Terravia Mini Hip Pack 3L	183 cu. in.	8" x 2" x 4.5"	3.9 oz.	—	—
Terravia Sacoche 3L	183 cu. in.	10 x 8 x 1.5	3.9 oz.	—	—
Terravia Tote Pack 24L	1465 cu. in.	16" x 10" x 8"	14.8 oz.	—	—

Capacity	Best For
5–20 liters	Whatever you need for a short outing.
21–35 liters	A small pack for a full-day on the go.
36–50 liters	Best for overnights or technical day trips.
51–65 liters	Built for weekends or a few days away from home.
66–74 liters	For a week-long excursion or when you need extra room for gear.
75–100 liters	Best for weeks-long or intensive travel.

Bag	Gear Capacity	Dimensions	Weight
Black Hole® Duffel Bag 40L	40L	50 x 32 x 22 cm	1045 g
Black Hole® Duffel Bag 55L	55L	58 x 34 x 24 cm	1180 g
Black Hole® Duffel Bag 70L	70L	66 x 36 x 28 cm	1365 g
Black Hole® Duffel Bag 100L	100L	74 x 38 x 34 cm	1595 g
Black Hole® Matte Wheeled Duffel 40L	40L	55 x 37 x 28 cm	3521 g
Black Hole® Matte Wheeled Duffel 70L	70L	69 x 33 x 37 cm	4100 g
Black Hole® Matte Wheeled Duffel 100L	100L	81 x 36 x 41 cm	4780 g
Black Hole® Mini MLC® 30L	30L	51 x 30 x 18 cm	1276 g
Black Hole® MLC® 45L	45L	56 x 37 x 19 cm	1644 g
Guidewater Duffel 80L	80L	84 x 40 x 41 cm	538 g

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