REI Co-op Flash COOLMAX Ultralight Mini-Crew Socks

$14.95

If you enjoy fast-and-light hiking, these REI Co-op socks are for you. They offer arch support and ultralight cushioning for comfort on the trail. Top-of-foot mesh helps your feet breathe.

Quantity

Select size for delivery dates

Treat yourself to new gear & clothing! Join the co-op to get a $30 bonus card when you spend $50. Details

Members get an estimated 10% back on this item as a part of your annual .

Join the co-op today to get access to a lifetime of benefits.

Add a to cart for $30

Designed for hikers who love to cover ground fast and who like extra-light socks that can dry quickly on the trail
Inspired by both hiking and running socks, our Flash socks feature lower heights and less cushioning than our more traditional hiking socks
Breathable COOLMAX® EcoMade is a high-performance fabric engineered to move moisture; its fantastic wicking properties and fast dry time help keep your feet comfortable
COOLMAX® EcoMade contains fibers made with 100% recycled PET bottles
Stretch nylon throughout footbed provides durability; spandex yarns improve fit
Ultralightweight cushioning is targeted at the heel and ball of the foot for just-right comfort without too much bulk
Snug fit through the arch and ankle promotes circulation and constant support while you run
Wide top welt for stay-in-place comfort, with no bunching
Pique leg for comfort and added durability through construction
Mesh panels promote breathability for your feet
Seamless toe construction helps prevent chafing and reduces bulk
Machine wash inside out in cold or warm water; do not use bleach or fabric softener; tumble dry low
REI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world
Made in USA with imported and domestic yarns

Made in USA.

View the REI Co-op Flash Product Line View all REI Co-op Men's Hiking Socks

Best Use	Hiking
Fabric	57% nylon/31% COOLMAX EcoMade recycled polyester/10% polyester/2% LYCRA spandex
Sock Height	Crew
Sock Cushioning	Ultralight Cushioning
Quick Drying	Yes
Moisture Wicking	Yes
Gender	Unisex
Sustainability	Contains recycled materials From a Climate Label Certified brand

From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.