Altitude Sports Outlet — Size Guide

Size Guide

Name: Isthmus Parka - Men's
Brand: Patagonia
SKU: PAT-27023
Price: 104.7 CAD
Availability: InStock

All measurements in inches (in) and pounds (lb). Built for the trail, fitted for you.

Men's Tops & Jackets

Chest: measure around the fullest part. Sleeve: from center back neck to wrist.

Size	Chest (in)	Waist (in)	Sleeve (in)
S	36–38	29–31	32–33
M	39–41	32–34	33–34
L	42–44	35–37	34–35
XL	45–48	38–41	35–36
XXL	49–52	42–45	36–37

Women's Tops & Jackets

Bust: measure around the fullest part. Sleeve: from shoulder seam to wrist.

Size	Bust (in)	Waist (in)	Sleeve (in)
XS	31–32	24–25	30–31
S	33–35	26–27	31–32
M	36–37	28–30	32–33
L	38–40	31–33	33–34
XL	41–43	34–36	34–35

Men's Bottoms (Hiking Pants / Shorts)

Waist: measure around natural waistline. Inseam: from crotch to ankle.

Size	Waist (in)	Hip (in)	Inseam (in)
28	28–29	35–36	30–32
30	30–31	37–38	30–32
32	32–33	39–40	31–33
34	34–35	41–42	31–33
36	36–37	43–44	32–34
38	38–39	45–46	32–34

Women's Bottoms (Hiking Pants / Leggings)

Waist: measure around natural waist. Inseam: from crotch to desired length.

Size	Waist (in)	Hip (in)	Inseam (in)
XS (0–2)	24–25	34–35	29–30
S (4–6)	26–27	36–37	29–30
M (8–10)	28–30	38–40	30–31
L (12–14)	31–33	41–43	30–31
XL (16)	34–36	44–46	31–32

Men's & Women's Shoes (Running / Hiking / Trail)

Foot length: measure heel to longest toe. For hiking boots, size up ½ size.

US Men	US Women	Foot Length (in)	EU
7	8.5	9.6–9.8	40
8	9.5	10.0–10.2	41
9	10.5	10.4–10.6	42
10	11.5	10.8–11.0	43
11	12.5	11.2–11.4	44
12	13.5	11.6–11.8	45
13	—	12.0–12.2	46

Kids' Shoes (Running / Hiking)

Foot length: measure heel to longest toe. Kids grow fast—size up for growing room.

US Kids	Foot Length (in)	EU
10	6.5–6.7	27
11	6.8–7.0	28
12	7.1–7.3	29
13	7.4–7.6	31
1	7.7–7.9	32
2	8.0–8.2	33
3	8.3–8.5	34
4	8.6–8.8	35
5	8.9–9.1	36
6	9.2–9.4	37

Backpacks (Daypack / Hiking / Camping)

Torso length: measure from C7 vertebra (base of neck) to top of hip bones.

Size	Torso Length (in)	Capacity (L)	Best For
XS / S	15–17	20–35	Day hikes / kids
M	17–19	35–55	Weekend trips
L / XL	19–21	55–75	Multi-day / thru-hikes

Sleeping Bags

User height: measured flat on back. Temperature ratings are guidelines—layer up in cold.

Size	User Height (in)	Shoulder Girth (in)	Temp Rating (°F)
Regular	up to 72	60–62	20°F / -6°C
Long	up to 78	62–64	20°F / -6°C
Double	up to 72 (each)	—	30°F / -1°C

Tents (Camping / Backpacking)

Capacity is based on average adult sleepers. Size up for extra gear or pets.

Capacity	Floor Area (sq ft)	Peak Height (in)	Best For
1-Person	15–20	36–40	Solo backpacking
2-Person	25–32	40–44	Couples / duo trips
3-Person	35–45	44–48	Small family
4-Person	50–65	48–56	Family / basecamp
6-Person	75–95	56–68	Group / car camping

Cycling Helmets

Head circumference: measure around forehead, just above eyebrows.

Size	Head Circumference (in)	Head Circumference (cm)
XS/S	20.0–21.5	51–55
M	21.5–23.0	55–59
L/XL	23.0–24.5	59–63

How to measure. Use a soft tape measure over light clothing. For the most accurate fit, measure twice and compare to the table above.
Between sizes? For tops and jackets, size up if you plan to layer. For hiking boots and trail shoes, size up ½ size to accommodate thicker socks.
Still unsure? Our gear is backed by a 60-day free return policy—find your fit risk-free. Contact support@altitude-sportshub.it.com and we'll help you nail it.

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