Flume Crewneck Baselayer - Women's


Size Guide

Flume Crewneck Baselayer

Named the overall best hiking shirt by Field and Stream in 2021 and 2023, the Flume is a blend of Tencel (made from trees!) and spandex.  Tencel is naturally wicking, naturally odor resistant, thermo-regulating, and crazy comfortable. The perfect baselayer for hiking, climbing, skiing, or just staying warm on a cool day.

40 UPF.

Weight in ounces:
XS: 5.0
S: 5.9
M: 6.2
L: 6.6
XL: 7.4
XXL: 7.8

Made in the USA:
Crafted in Lincoln, NH

4 way stretch for superior movement and fit
Extended length ensure coverage when active - no more exposed lower back!
Thumb loops for secure hand coverage
Raglan sleeves for superior movement
Flatlock stitched to reduce chafing - smooth on your skin
Made in the USA!
Texollini (Long Beach, CA)
91% Tencel, 9% Lycra

Wash with like colors
Machine Wash Cold
Gentle Cycle
Do not bleach
Lay flat or hang to dry

Customer Reviews

Based on 157 reviews
Robert G. (Brighton, US)
Flume Crewneck Baselayer

Wore just the Flume Crewneck for my top last Saturday during Hurricane Lee on N & S Twin and I was fine!

Alison S. (Billerica, US)
LOVE this long sleeve T

My new favorite long-sleeve T. I would wear it every day if I could get away with it. Perfect for hiking, or for an extra (thin) layer when heading out to the gym or to run errands when the temps are questionable. The fit is terrific and the fabric is soft and high quality. It washes well and keeps its shape. Everything I could hope for in a versatile base layer long-sleeve T.

BG (Newport, US)
Beautiful new color, good fit

The new color, Aruba Blue, is beautiful. The fit was just right for my friend, to whom I gave this as a gift. It was a bit thinner than I expected, but could still be worn without another layer under it.

Kimberly (Plainfield, US)
Awesome piece

This shirt/base layer is extremely soft!! I've never had such a soft piece of clothing before. It's thin enough to breath in and yet thick enough to add some warmth. I love it so much, plus the aruba blue color is beautiful. Great quality!

Bill B. (Dover, US)
Great additon to wardrobe

I have 3 of these already and this is the best color yet!