Women's Ribbed Bamboo Long Sleeve

Luxe ribbed bamboo with 4-way stretch and UPF 50+.

$68
Color: Pacific Blue
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Top features
Buttery-soft bamboo blend
UPF 50+ sun protection
4-way stretch
Description

This layering-ready long sleeve is just the ticket when the day calls for a little bit of everything and a whole ‘lotta comfort.

It combines the familiar powered-by-bamboo feel you know and love with a soft ribbed texture for visual oomph. This luxe-weight stretchy top is sure to become a fixture in your weekly rotation.

Perfect for
Everyday
All-day comfort.
Layering
Under crews & flannels.
Shoulder season
Crisp mornings & evenings.
Sun protection
High-UV days.
Features
  • Buttery-soft bamboo blend. Viscose from bamboo gives this fabric its signature buttery, broken-in softness from the very first wear.
  • UPF 50+ sun protection. Fabric rated UPF 50+ blocks the vast majority of UV rays for all-day sun coverage.
  • 4-way stretch. Stretches in every direction and springs back into shape, so nothing holds you back.
  • Luxe ribbed texture. Soft ribbed knit adds visual oomph and a luxe 250 GSM hand.
  • Side slits for mobility. Side slits add range of motion and an easy drape over leggings.
Size & Fit
Slim
Regular
Relaxed

Standard fit with room to move. True to size for most.

  • Fitted in sleeves, roomy in torso
  • Length hits at low hip
Open size guide
Materials
  • Fabric: Luxe, stretch rib.
  • Composition: 45% Recycled Polyester / 45% Viscose from Bamboo / 10% Spandex.
  • Care: Machine wash cold on a delicate cycle with like colors, garment inside out. Hang dry, or tumble dry inside out on delicate low heat. Avoid washing with heavy items such as jeans and towels.
About the brand

Free Fly started with a love of the water and a mission to make natural, breathable clothing that keeps up. Their bamboo-based fabrics are buttery soft and built for comfort from sunrise paddle to sunset hang. At Mountain Sports, we love Free Fly because it’s made for life lived outside — easygoing, effortless, and always adventure-ready.

Shop all Free Fly

SKU WRIBLS-421 · Style WRIBLS
Size guide

Free Fly Size Chart - Women's Apparel

Free Fly Sizing Chart

All measurements are in inches and reflect body measurements. If you are in between sizes, size up for comfort.

Women's Size Guide (Women's Apparel - single chart for tops and bottoms):

Alpha Sizes Numeric Sizes Bust Waist Hip
XS 0–2 32–33 25–26 35–36
S 4–6 34–35 27–28 37–38
M 8–10 36–37 29–30 39–40
L 12–14 38 1/2–40 31 1/2–33 41 1/2–43
XL 16 41 1/2–43 34 1/2–36 44 1/2–46
XXL 44 1/2–46 37 1/2–39 47 1/2–49

How to measure: Bust - circumference at the widest part of the chest, about 1" down from armpit; True Waist - around the natural waist, narrowest part of the torso; Hip - around the fullest part of the hips. Inseam length is listed on each product page.

Performance

How it ranks across conditions.

Calibrated against comparable products we stock, so you can compare like for like.

Softness

Soft
Very soft
Ultra-soft

Signature buttery bamboo feel

Breathability

Low
Moderate
High

Luxe-weight 250 GSM rib knit

Sun protection

UPF 25+
UPF 40+
UPF 50+

Rated UPF 50+

Best for

Is this right for you?

Polished everyday

Ribbed texture, luxe weight, and UPF 50+ — coffee to dinner

Not for: Too luxe-weight for hot-day workouts Try the Elevate Lightweight Tee

Layer season

Fitted sleeves and roomy torso sit clean under vests and jackets

Not for: Want henley styling and waffle warmth instead? See the Waffle Long Sleeve Henley

Full spec sheet

Technical Specs

Fabric45% Recycled Polyester / 45% Viscose from Bamboo / 10% Spandex
Fabric weight250 GSM
UPF ratingUPF 50+
Stretch4-way
NecklineScoop
FitFitted sleeves, roomy torso
LengthHits at low hip
Questions, answered

Before you buy.

Pulled from chats, emails and store visits. The things people actually ask us before they buy. Don't see yours?

Ask a question
How should I wash this?

Machine wash cold on a gentle cycle with like colors, then hang dry or tumble dry low. Skip bleach and fabric softener — they break down soft performance fibers. Always defer to the sewn-in care label.

How does Free Fly sizing run?

Free Fly women's tops generally run true to size with an easygoing cut. Check each style's fit notes — some are boxy and slightly cropped, others fitted — and size up if you're between sizes and prefer extra room.

What does viscose from bamboo feel like?

Incredibly soft — think your most broken-in tee, but smoother. Fabric made with viscose from bamboo drapes lightly, breathes well, and feels cool and silky against the skin.

What does the UPF rating mean?

UPF (Ultraviolet Protection Factor) measures how much UV radiation a fabric blocks — a UPF 50+ fabric lets only about 1/50th of UV rays through. Check this product's spec list for its exact rating.

Find the right one for you

How the Ribbed Bamboo Long Sleeve compares

Head-to-head against the closest alternatives we stock, so you can see where this one sits before you commit.

Feature
Free Fly
Bamboo Shade Long Sleeve II
Free Fly
Ribbed Bamboo Long Sleeve
You're viewing
Free Fly
Waffle Long Sleeve Henley
PriceFrom $35.20From $61.60
Fabric68% bamboo viscose / 29% poly / 3% spandex83% poly / 12% lyocell / 5% spandex
Fabric weight180 GSM—
UPF ratingUPF 50+—
NecklineCrewHenley, 3-button
Stretch4-way4-way
Best forSun protection daysCozy casual
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