Hirsch Natur · Cotton & Wool Socks
Breathable Organic Cotton Socks with Wool Support
Lightweight socks in 85% organic cotton and 15% organic wool. GOTS certified, machine-washable, made in Germany. Perfect for warm weather and everyday wear.
The Maker
Hirsch Natur
Hirsch Natur is a German legwear specialist renowned for socks, tights, and leggings made from natural fibers. The brand focuses exclusively on cotton, wool, and blends—avoiding synthetics and unnecessary processing. Every pair is made in Germany with strict attention to fiber sourcing and sustainable production. For families seeking durable, chemical-free legwear, Hirsch Natur is a quiet standard-bearer in European natural fiber manufacturing.
When to Wear
Lightweight Comfort for Warm Seasons
These socks excel in warm weather, mild climates, and active pursuits where breathability matters. The high cotton content keeps feet cool without feeling synthetic, while the organic wool provides structure and durability. Perfect for spring through fall wear, outdoor activities, and anyone who prefers a lighter sock year-round. The wool content offers enough elasticity and support without the warmth of all-wool socks.
Materials & Make
85% Organic Cotton, 15% Organic Wool
Fiber Composition
85% organic cotton (GOTS-certified)
15% organic wool (kbA/kbT) for elasticity and structure
Hand-felted sole for grip and durability
Natural Properties
Cotton breathes and softens with every wash
Wool adds durability and helps socks retain shape
Felted sole provides grip without synthetic reinforcement
Certifications
GOTS (organic cotton farming, processing, and dyes)
kbA/kbT (organic wool from certified animal farms)
Made in Germany
Organic cotton is grown without synthetic pesticides or fertilizers, and GOTS certification means the entire supply chain—from farm to finished sock—meets strict environmental and labor standards. The wool content adds durability and helps the socks bounce back after wear, ensuring they look and fit like new for years.
Why Choose These
Key Benefits
Breathable & Lightweight
High cotton content keeps feet cool in warm weather. Much lighter than all-wool socks without sacrificing durability.
Gets Softer with Wear
Organic cotton improves with each wash. Socks soften and become more comfortable the longer you own them.
Machine Washable
Unlike all-wool socks, these can safely handle cold machine washing. No delicate hand-wash routine required.
GOTS Certified Organic
No synthetic pesticides, fertilizers, or harsh dyes. Safe for sensitive feet and the environment.
Elasticity & Shape Retention
Wool content keeps socks from becoming baggy or stretched out. They hold their shape through years of wear.
German Made
Manufactured in Germany using sustainable practices. Built for durability and multi-generational wear.
Size & Fit
Finding Your Perfect Fit
Hirsch Natur boot socks are sized by foot length (heel to toe). Measure your foot and use the chart below to find your size. European sizing runs true to fit.
| Size |
EU Size |
US Women |
US Men |
Heel to Toe |
| X-Small |
36–37 |
6–7 |
— |
8 inches |
| Small |
38–39 |
8–9 |
6.5–7.5 |
9 inches |
| Medium |
40–41 |
10–11 |
8.5–9.5 |
9.5 inches |
| Large |
42–43 |
— |
10.5–11.5 |
10 inches |
| X-Large |
44–46 |
— |
12.5–13.5 |
11 inches |
Tip: How to Measure
Stand barefoot on a piece of paper. Mark where your heel and longest toe end. Measure the distance in inches (or centimeters, then convert). Use this measurement to find your size in the "Heel to Toe" column above.
Be Informed
What You Should Know
Who These Work Best For
Anyone seeking lightweight, breathable socks for warm weather or active pursuits. Those who prefer cotton's soften-with-age quality to wool's permanence. People who want the durability and elasticity of wool but don't need the warmth. Families avoiding synthetic socks who want an easier-care alternative to all-wool options.
The Sole Consideration
Like all Hirsch Natur socks, these have untreated, natural wool with no synthetic sole reinforcement. The sole is durable and designed for everyday use. To significantly extend their life, wear them over slippers when indoors. This protects the delicate sole fibers from everyday friction on hardwood, tile, or carpet. Outdoors on harder surfaces, they're perfectly durable.
Care Is Simple
The high cotton content means machine washing is fine—and even recommended to soften the socks. No special wool detergent required; regular laundry detergent works. Wash cold, dry on low or air dry. This is genuinely easier than all-wool socks and appeals to anyone who wants durability without ritual.
Care & Longevity
Simple Care for Years of Wear
Machine wash cold, regular detergent, tumble dry low or air dry.
Machine wash cold
Like colors
Regular detergent
Tumble dry low
Or air dry
Machine wash these socks in cold water with regular laundry detergent. Wash with like colors. Tumble dry on low heat or lay flat to air dry. Avoid fabric softeners—they coat the fibers and reduce breathability. With each wash, the organic cotton softens, making these socks more comfortable over time. They'll feel better at year three than at year one.
Why Avoid Fabric Softener?
Fabric softeners create a coating that traps moisture and reduces the natural breathability that makes these socks special. Skip it, and your socks will stay fresher, longer.
With proper care, these socks last for years. Many customers find they pass them down through siblings once they've truly broken in. Organic cotton is a multi-generational fiber when cared for simply.
Questions
Frequently Asked
Are these cotton socks as durable as wool socks?
Yes, but in a different way. The 15% wool content provides elasticity and helps these socks retain their shape better than 100% cotton socks would. Combined with Hirsch Natur's quality construction and the felted sole, they're built for years of wear. Cotton's advantage is that it gets softer and more comfortable with each wash, while maintaining durability. You're trading some insulation for lighter weight and easier care.
Can I machine wash these?
Yes, absolutely. Machine wash in cold water with like colors and regular laundry detergent. Tumble dry on low or air dry. This is one of the big advantages of the cotton-primary blend—no hand-washing ritual required. Just toss them in with your regular laundry.
Why do I need to wear these over slippers indoors?
Because these socks have a natural, untreated wool sole with no synthetic reinforcement. That's what keeps them soft and chemical-free. However, repeated friction from walking on hard indoor surfaces (tile, hardwood, concrete) can thin the delicate sole fibers over time. Wearing them over slippers indoors protects that sole and extends the life significantly. Outdoors on pavement or trails, they're perfectly durable.
Will these socks itch if I'm sensitive to wool?
The wool content is only 15%, and Hirsch Natur sources fine, certified organic wool. Most people with wool sensitivity do fine with this blend. However, if you've had strong reactions to wool in the past, start with the 85% wool / 15% cotton version instead, or consider a wool/silk blend for maximum softness. A small percentage of people are sensitive to any amount of wool.
How is organic cotton different from regular cotton?
GOTS-certified organic cotton is grown without synthetic pesticides, fertilizers, or genetically modified seeds. The entire production chain—spinning, dyeing, finishing—follows strict environmental and labor standards. It's softer, gentler on skin, and better for the environment. GOTS is the world's leading certification for organic textiles. You're investing in cleaner farming and cleaner fibers.
Why should I avoid fabric softener?
Fabric softeners coat the cotton and wool fibers with a waxy substance designed to make them feel slippery. This coating traps moisture, reduces breathability, and dulls the natural softness that improves with every wash. Skip the softener and let the organic fibers do their job—the socks will stay fresher and feel better over time.
How do I know what size to order?
Stand barefoot on paper, mark your heel and longest toe, and measure the distance in inches. Match that measurement to the "Heel to Toe" column in the size chart above. If you're between sizes, size up slightly for comfort.
