Hirsch Natur · Kids Wool Socks
100% Organic Virgin Wool Socks for Kids
German-made thermal socks with mid-calf coverage, GOTS certified, and naturally breathable for year-round comfort and warmth.
The Maker
Hirsch Natur: Germany's Wool Sock Specialist
Since 1928, Hirsch Natur has specialized in fine wool hosiery for the entire family—socks, tights, and legwear crafted in Albershausen, Germany. The company is known for uncompromising fiber quality and sustainable production methods, including solar-powered knitting facilities. Hirsch Natur meets the strictest standards for organic fiber sourcing and ethical manufacturing. Every pair of socks reflects nearly a century of expertise in wool processing and kbT-certified production.
What This Is For
Year-Round Warmth and Breathable Comfort
These mid-weight wool socks are designed as a thermal base layer or standalone sock for cool to cold weather—ideal for morning school runs, outdoor winter play, layering inside boots, or simply keeping feet warm and dry indoors. Available in sizes from newborn through age 8, they're equally suited for everyday wear, hiking, or as a gift for growing families.
Temperature guidance: Best for temperatures below 18°C (64°F). In moderate climates (10–18°C / 50–64°F), these socks provide reliable insulation without overheating. For extremely cold conditions (below 10°C / 50°F), they pair well with heavier boots or fleece-lined shoes.
Fiber & Craft
Materials and Construction
100% Organic Virgin Wool
Pure, untreated virgin wool from certified organic livestock farming (kbT). No synthetics, no nylon reinforcement—just clean fiber for natural thermoregulation and breathability.
Mid-Weight Knit
A dense, durable knit that resists pilling and holds its shape through many washes. Warm without bulk, providing thermal insulation while remaining breathable for all-day wear.
Mid-Calf Design
Extended coverage for warmth and protection without compression. Soft, elastic top stays in place during play or inside boots without digging into the leg.
GOTS & kbT Certified
Global Organic Textile Standard (GOTS) ensures pesticide-free fiber and responsible processing. kbT certification confirms the wool comes from certified organic animal farming with strict welfare standards.
Manufacturing: Knitted and finished in Germany using solar energy and sustainable water management. Made to last through multiple children and many seasons with proper care.
Care & Protection
Making Them Last: Protecting Your Socks
These socks are made from natural, untreated wool fiber with no synthetic sole reinforcement—which is exactly why they're so soft and breathable. To extend their life and keep them looking like new, we recommend wearing them over slippers when your child is indoors.
Because the natural fibers have no polyester reinforcement, friction on rough indoor surfaces (hardwood, tile, carpet) can gradually thin the sole fibers over time. Pairing these socks with slippers protects them from that everyday friction and means they stay soft and intact for years. This simple step makes a significant difference in durability and keeps the socks performing at their best.
For sleep wear specifically, no slippers needed—these socks are ideal for tucking into pajamas or wearing under quilts all night, where they stay protected naturally.
Why Choose These Socks
Key Features
Naturally Moisture-Absorbing
Wool absorbs moisture vapor (up to 30% of its weight without feeling wet), keeping feet dry and comfortable during active play or indoor lounging.
Temperature-Regulating
Wool fibers adapt to body temperature, providing warmth in cold conditions and breathability in mild weather. Naturally balances heat loss and retention.
Odor-Resistant
Wool naturally resists bacterial growth and odor development, so socks stay fresher longer and require less frequent washing than cotton alternatives.
Durable and Long-Lasting
The dense knit resists pilling and holds its shape through repeated wear and washing. Designed to last through multiple children when cared for properly.
Fit Guide
Sizing by Age and Foot Length
Hirsch Natur socks are sized by foot length in inches, which correlates with age ranges. European sizing runs true to size. If your child is tall or at the upper end of an age range, you may prefer the next size up for comfort.
| EU Size |
Age Range |
Heel to Toe (inches) |
Heel to Toe (cm) |
| EU 15–17 |
Newborn–6 months |
4.33" |
11 cm |
| EU 18–20 |
6–12 months |
4.92" |
12.5 cm |
| EU 21–22 |
1–2 years |
5.51" |
14 cm |
| EU 22–23 |
2–3 years |
6.1" |
15.5 cm |
| EU 24–25 |
3–4 years |
6.69" |
17 cm |
| EU 26–27 |
4–5 years |
7.28" |
18.5 cm |
| EU 28–29 |
5–6 years |
7.87" |
20 cm |
| EU 30–31 |
6–7 years |
8.46" |
21.5 cm |
| EU 32–33 |
7–8 years |
9.06" |
23 cm |
Tip: Measure your child's foot from heel to toe while they're standing, then refer to the table above. These socks are designed with a soft elastic cuff that adapts to fit without compression.
Be Informed
Honest Assessment
Best For
Kids who need reliable warmth in cool to cold weather, families committed to natural fiber clothing, children with sensitive skin looking for chemical-free options, and parents who value durability and long-term wear (these socks pass through multiple children). Also ideal for layering inside boots or for outdoor winter play.
Wool Sensitivity Considerations
Hirsch Natur socks are made from fine virgin wool, which is naturally soft. Most babies and children wear them comfortably from birth onward. However, if your child has previously reacted to wool, or if you want to introduce wool cautiously, consider testing a pair first. A very small percentage of people remain sensitive even to fine wool. If this is a concern, pair these socks with a cotton sock liner underneath, or start with shorter wearing periods and gradually increase tolerance. The fine fiber quality makes Hirsch socks among the gentlest wool options available for children.
Care Commitment
Wool requires gentle washing in cold water with a wool-specific detergent (no hot water, no machine agitation, no tumble drying). This routine is simple once learned, and proper care ensures these socks last for years. With the slippers-protection strategy and cold-water washing, these socks maintain their softness and integrity for years. Wool naturally resists odor, so they rarely need washing after one wearing—airing between wears is usually enough.
Maintenance
Care Instructions
Hand wash or wool cycle Cold water only Wool detergent Lay flat to dry No tumble dry
Washing: Hand wash in cold water with a gentle wool-specific detergent (such as Eucalan or Sonett), or use the wool or delicate cycle on your machine at 30°C (86°F) or lower. Use a gentle spinning action or spin stop—never wring. For best results, fill the machine only half to three-quarters full to avoid abrasion. Avoid fabric softener and bleach.
Drying: Press water out gently, then lay flat to reshape and air dry. Do not tumble dry, hang, or expose to direct heat or sunlight. Wool retains its shape best when dried horizontally.
Frequency: Wool naturally resists odor and bacteria, so these socks often need washing far less frequently than cotton. Between wears, simply air them in a well-ventilated space overnight. Wash when visibly soiled or as needed, typically every 5–10 wears for active play.
Storage: Store in a cool, dry place. If long-term storage is needed, ensure socks are clean and completely dry first. Cedar blocks or lavender sachets help deter moths naturally.
Shrinkage Notice: Please note that EcoAble is not responsible for shrinkage resulting from improper washing routines. Cold water is essential—this is the most common cause of damage to wool garments.
Questions
Frequently Asked Questions
Are these wool socks itchy?
No. Hirsch Natur socks are made from fine, untreated virgin wool that is naturally soft and smooth. The fiber quality is gentle against skin from the start. A very small percentage of people remain sensitive to any wool fiber, but this is rare in young children. If you're concerned, start with one pair and test wear for a few hours before committing to a full day. Layering with a cotton sock liner underneath is also an option if sensitivity is a known issue.
How often do I need to wash them?
Wool naturally resists odor and bacterial growth, so these socks rarely need washing after a single wear. A light airing overnight is usually sufficient. Depending on activity level and sweat, most families wash these socks every 5–10 wears. For children who sweat heavily or play outdoors in mud or moisture, you may wash more frequently—just follow the cold-water, wool-detergent process to maintain their softness and durability.
How can I keep these socks from wearing out quickly?
These socks have untreated, natural wool with no synthetic sole reinforcement—which makes them soft, but also means friction on rough surfaces can thin the fibers over time. To extend their life significantly, wear them over slippers when indoors. This simple step protects the delicate sole fibers from everyday friction on hardwood, tile, or carpet and keeps the socks looking and feeling like new. For sleep wear, no slippers needed—simply tuck them into pajamas or under a quilt where they stay naturally protected all night.
Can I machine wash these socks?
Yes, you can use a wool or delicate machine cycle at 30°C (86°F) or lower with cold water only. Use a gentle spin (or no spin) and avoid regular wash cycles, which use high agitation and heat and will cause the wool to felt and shrink. Hand washing is gentler and extends the life of the socks, but machine washing on wool cycle is acceptable if you use cold water, wool detergent, and gentle spinning. Never use regular laundry detergent or fabric softener.
What if the socks develop pilling?
Minimal pilling is natural for wool, especially in high-friction areas (heel, toe). If pilling occurs, use a soft-bristled brush or a wool comb to gently remove it. Do not pull pills off by hand, as this can damage the knit. Hirsch Natur's durable knit resists heavy pilling, and light pilling often decreases after the first few wears as loose fibers settle.
Are these socks warm enough for winter?
Yes. The mid-weight knit provides substantial warmth for temperatures below 18°C (64°F). For extremely cold conditions (below 10°C / 50°F), you may pair them with fleece-lined or insulated boots for extra protection. The wool naturally insulates while remaining breathable, so they work well for active outdoor play in winter without overheating the foot.
What sizes are available, and how do I measure for the right fit?
Hirsch Natur offers sizes from newborn (EU 15–17) through age 8 (EU 32–33). To find the right size, measure your child's foot from heel to toe while standing flat. Use that measurement in inches or centimeters to match the size chart above. European sizing runs true to size. If your child is at the upper end of an age range or tall for their age, the next size up may provide more comfortable room for growth.
Are these socks certified organic?
Yes. These socks are GOTS (Global Organic Textile Standard) certified, which means the wool fiber comes from certified organic livestock farming with no pesticides, and the entire processing chain—from dyeing to finishing—meets strict environmental and labor standards. They are also kbT certified, confirming that the wool comes from certified organic animal farming with verified welfare standards. Hirsch Natur commits to the highest sustainability practices in manufacturing.
