CHRISTMAS IS COMING!
- DAYS
- HOURS
- MINS
- SECS

GSI Outdoors Boulder 10 Flask

$22.95
In stock
Only %1 left
SKU
79346

Size Guide

Not sure what size to get? Let us help you find the perfect fit. We think you’ll find this guide helpful, but if you still have questions send us an email at [email protected] or call us at 1-800-123-1234. Your comfort is our promise.
Not sure what size to get? We think you’ll find this guide helpful, but if you still have questions send us an email at [email protected] or call us at 1-123-123-1234.
  • Women
  • Men
  • Teen
  • Kids
  • Footwear
  • Dog Pajamas
Men Sizing
Men
  Chest Waist Neck
S
36/38
36-38 28-30 14-14.5
M
38/40
38-40 32-34 15-15.5
L
40/42
42-44 36-38 16-16.5
XL
46/48
46-48 40-42 17-17.5
XXL
50/52
50-52 44-46 18-18.5
How to Measure

Chest: Measure around the fullest part of chest, keeping the measuring tape up under arms and around shoulder blades.

Waist: Measure around waist (not over pants) at the natural waistline.

Neck: Measure around the neck allowing the measuring tape to lay on the neck base comfortably.

*Size chart is a general guide. It may include sizes that are unavailable for this item. All measurements are in inches unless otherwise noted.
Teens Sizing
Teen
  Chest Waist Hip Height
XS
7/8
26-28 22-24 27-29 52-54
S
9/10
28-30 24-25 29-30 55-56
M
11/12
30-31 25-26 30-32 57-59
L
13/14
31-32 26-28 32-34 60-62
XL
15/16
32-33 28-30 34-36 62-63
How to Measure

Chest: Measure around the fullest part of chest, keeping the measuring tape up under arms and around shoulder blades.

Waist: Measure around waist (not over pants) at the natural waistline.

Hip: Measure around the fullest part of hips while standing straight with heels together.

Height: Measure from the top of the head and pull the tape straight down to the floor. Stand straight with both feet together (bare feet only).

*Size chart is a general guide. It may include sizes that are unavailable for this item. All measurements are in inches unless otherwise noted.
Swipe for more →
Kids Sizing
Kids
  Chest Waist Hip Inseam Height
2T 20-20.5 20-20.5 20-21 14-15 33-35
3T 20.5-21 20.5-21 21-22 15-16 35-38
4T 21-22 21.5-22 22-23 16-17 38-41
5/6 22-24 22-23 23-25 17-20 41-49
7/8 24-26 23-25 25-28.5 20-24 49-55
10/12 26-30 25-27 28.5-32 24-28 55-60
14/16 30-33 27-30 32-36 28-30 60-63
How to Measure

Chest: Measure around the fullest part of chest, keeping the measuring tape up under arms and around shoulder blades.

Waist: Measure around waist (not over pants) at the natural waistline.

Hip: Measure around the fullest part of hips while standing straight with heels together.

Height: Measure from the top of the head and pull the tape straight down to the floor. Stand straight with both feet together (bare feet only).

*Size chart is a general guide. It may include sizes that are unavailable for this item. All measurements are in inches unless otherwise noted.
Swipe for more →
Footwear
Women's XS
5.5-6
S
7-8
M
9-10
L
10.5-11
XL
12-12.5
-
Men's XS
4.5-5
S
6-7
M
8-9
L
9.5-10
XL
11-11.5
XXL
12.0-12.5
Swipe for more →
Dog Pajamas Sizing
Dog Pajamas
XS
8-12
Fits Toy Poodle, Chihuahua, Yorkshire Terrier
S
12-16
Fits Jack Russell Terrier, Pug
M
16-20
Fits Beagle, Dachsund
L
20-24
Fits Schnauzer, Cocker Spaniel
XL
24-28
Fits Pit Bull, Labrador and Golden Retrievers, German Shepherd
How to Measure

Length: Measure your pet from the base of its neck to the base of its tail. Bump up a size if your pet has a thick coat, broad chest, or broad underside.

*Size chart is a general guide. It may include sizes that are unavailable for this item. All measurements are in inches unless otherwise noted.
Introducing the Boulder 10 Flask, the perfect companion for your active lifestyle. This lightweight and ruggedized hip flask is designed to follow you on any outdoor adventure. It's made for sturdy mobility — with its shatter-proof body and sleek bumper, this flask can take any fall gracefully. The silicone hinge cap makes it impossible to misplace, so all your carefully measured ingredients will be accounted for anytime you need them. The Boulder is easy to grip and hold 10 fl oz of your favorite drink that’ll keep onboard for whenever inspiration strikes! Whether you’re mountain biking, camping or just enjoying a night out on the town, your beverage is always in good hands. Be prepared and stay pumped up with the Boulder 10 Flask!
Write Your Own Review
You're reviewing:GSI Outdoors Boulder 10 Flask

this is the shipping and returns tab

You may also be interested in..

Check items to add to the cart or
Copyright © 2025 Northbound Outfitters. All Rights Reserved.