RANDY SUN Juncao Fiber Waterproof Breathable Socks Mid Calf RS336
Description
FLEX Series. The everyday waterproof sock.
Ultra-Thin · Highest Breathability · Stretch Fit · Soft
The thinnest and most breathable choice in the RANDY SUN collection. FLEX is designed for everyday wear, commuting, travel, rainy days, and light outdoor activities.
With a flexible, soft construction that feels much closer to a regular sock, FLEX moves naturally with your feet while providing reliable waterproof protection without unnecessary bulk.
Size Chart
|
Size |
USA Men |
USA Women |
UK |
Europe |
|
XS |
4.5-6.5 |
5.5-7.5 |
3-5 |
34-37 |
|
S |
7-10 |
8-11.5 |
6-8 |
38-41 |
|
M |
10.5-13 |
12-14 |
9-11 |
42-45 |
|
L |
13.5-15.5 |
14.5-16.5 |
12-14 |
46-49 |
At the top of a size? Size up. Our waterproof socks are thicker than normal socks — and that extra room makes all the difference.
Construction & DROPZERO System
Waterproof-Breathable DROPZERO System
Outer Layer — Naturally Soft:
38% Juncao Fiber, 38% Cotton, 19% Polyester, 5% Elastane
Middle Layer — Waterproof & Breathable:
100% PU Membrane, PFAS Free
Inner Layer — Moisture Wicking & Odor Control:
43% Juncao Fiber, 43% Cotton, 10% Polyester, 4% Elastane
Juncao Fiber Technology
Natural Odor Control
Juncao fiber naturally helps reduce odor-causing bacteria. Even after 200 washes, it maintains a bacterial reduction rate of over 97%, helping keep feet fresher for longer.
Breathable & Moisture Wicking
Excellent moisture absorption and breathability help move sweat away from the skin, keeping feet dry, fresh, and comfortable without feeling stuffy.
Soft & Skin-Friendly
Naturally soft and gentle against the skin, Juncao fiber delivers a smooth, comfortable feel with no added treatments.
Plant-Based & Tree-Free
Juncao grows rapidly and can replace wood as a fiber source, helping reduce the need for tree harvesting. Made from a renewable plant-based resource.
Activities
Best for: Everyday wear · Bike Commuting · Travel · Light hiking · Rainy days · Camping · Theme Parks
Do not use waterproof socks for bathing, swimming, or diving — they are not designed for full submersion.
