HOCOSA "Sport" Organic Wool/Silk Undershirt, Polo Neck, for Men or Women $79.90-$84.90


  • $79.90
    Unit price per 

Made by HOCOSA of Switzerland.

Long-underwear shirt with long sleeves in GOTS-certified organic wool/silk blend, for men or women.  Polo neck.

  • Made  of soft, GOTS-certified organic organic merino wool & silk blend.
  • 70/30% wool/silk blend unites the best qualities of each for a unique textile.
  • Wool absorbs moisture without feeling wet, keeping you comfortable & dry.
  • Silk adds extra softness & durability.
  • As wool absorbs moisture, lanolin is activated to remove bacteria & odors.
  • Natural fibers breathe, maintaining a comfortable temperature in warmth or cold.


  • XS (=Women's size 8) - worn by 5'2" model 
  • S  (= Women's size 10)
  • M (= Women's size 12)
  • L (= Women's size 14)
  • XL (= Women's size 16)

HOCOSA has not been able to give us sizing charts, so we have instead measured the garments lying flat to give some guidance in sizing.   Length & your US size will give best guidance - garments stretch easily widthwise. 

  ** Chest measurement in chart below is garment, lying flat, unstretched  - can easily stretch 6-8 inches further widthwise.  Use length measurement for best fit. 
 Size  Chest Circumference (of Garment) ** Length of Back, Neck to Waist Hem Sleeve, shoulder seam to wrist
 XS  30 in    24 in  23 in
 Small  32 in   25 in  23½ in
 Medium 33½in   26 in  24½ in
 Large  35 in   28 in  25 in
 XL  36½in   30 in  26 in


HOCOSA of Switzerland

HOCOSA wool underwear is offered in two variations: 100% merino wool (the softest of all wools) or a 70/30 wool/silk blend. The wool chosen for HOCOSA woolens is GOTS-Certified Organic wool, which ensures not only that the wool is free of pesticides, but that sustainable and ethical working standards have been met for those working in all stages of production.  HOCOSA woolens provide comfort & well-being.

The wool/silk blend unites the best qualities of these two natural fibers, creating a truly unique textile. The soft, merino wool absorbs moisture, keeping you dry & comfortable.  Silk adds extra softness & durability.  Natural fibers breathe, keeping you comfortable in either warmth or cold.

All dyes used in HOCOSA products are free of heavy metals and formaldehyde.
There are no optical brighteners used.  All textiles are dyed according the IVN  guidelines.

We recommend hand-washing with Kookaburra Wool WashBottle of Kookaburra Wool Wash

  LANACare Lanolin Soap with even more lanolin, 7.5%,  is recommended for nursing  pads & diaper covers, or to add even more softness to your woolens.

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