How small is small? I am 5' and about 120lbs. I sometimes have trouble with backpacks because I can't sinch them down tight enough against my body.

Katherine, that's indeed a good point. FITLY is all about fitting perfectly to your body so nothing moves. The thoracic belt adjustment, at its shortest position, fits a band size of 26 inches (bottom portion of a bra). I would advise doing a careful measurement before you purchase a FITLY Sub45. Factor in some apparel to increase the volume but I would advise against if you are 26 or smaller unless you have the ability to cut the elastic band yourself and sew it back shorter (which is not very technical to do). I'd be open to (unofficially) do it for you if need be. Don't want to leave you hangin... JMF

So is this a cupless bra or bro?

pretty much a bra, useless to me. The pics don't focus on the front, just the back where it looks better.

Can anyone speak on how this items fits based on their measurements? i'm skeptical aobut the m-l-xl fitting. i have a 42-44 inch chest.

Without putting elastic under tension the chest strap can measure as much as 41 inches. When using you’ll want the elastic to be engaged a bit anyway, so you should be fine.

I received a fitly black running pack with a small plastic item in one of the side pockets on the "waist" straps. what is it for?

It hooks on the shoulder strap and adjusts so you can keep the water spout at a good angle for you.

Sub45 Classy Black | Desertcart UK

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Description

🏃‍♀️ Run Light, Live Bright!

PERFECT FIT - Available in two sizes to ensure a snug fit for every runner, regardless of body type.
MINIMALIST DESIGN - Experience the freedom of a featherweight running pack that feels like a second skin.
VERSATILE STORAGE - Equipped with multiple pockets for all your essentials, from phones to keys.
ANTI SWAY TECHNOLOGY - Designed to eliminate bounce, keeping your focus on the run, not your gear.
INNOVATIVE MATERIALS - Crafted from moisture-wicking, odor-resistant fabric made from recycled coffee grounds.

The FITLY Minimalist Running Pack is a lightweight and versatile running backpack designed for both men and women. It features multiple storage pockets, including a dedicated phone holder, and is crafted from innovative, moisture-wicking fabric made from recycled materials. With its anti-sway technology and perfect fit options, this pack ensures a comfortable and distraction-free running experience.

Specifications

Item Package Dimensions L x W x H	10.55 x 8.03 x 2.56 inches
Package Weight	0.22 Kilograms
Item Dimensions LxWxH	10 x 7 x 0.8 inches
Item Weight	220 Grams
Brand Name	FITLY
Model Name	Sub45
Color	Classy Black
Material	Nylon
Suggested Users	unisex
Manufacturer	FITLY
Part Number	OA-5EI3-IEY4
Size	M-L-XL

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