Hay
by Hee Welling & Hay
— from CHF 647.00
About A Chair AAC 21, Hallingdal 130 - light grey, White powder coated aluminium
Hay About A Chair AAC 21
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The AAC 21 from Hay stands out especially thanks to its fully padded and inviting seat shell. With his four-star base, it looks more refined than its wood-legged companions from the AAC series by designer Hee Welling, meaning the AAC 21 chair with its simple Scandinavian design is not only very good at the dining table, but also in the office, at the conference table or in the reception area.
Hay's Distinctive Design: 20% Off All In-Stock AAC and AAS Models
Clean lines, versatile shapes and a distinctive design language define the About A Chair collection by Hay. A variety of bases, materials and finishes makes the designs suitable for a wide range of settings while retaining their characteristic expression. Until September 30, 2026, enjoy 20% off all in-stock About A Chair chairs and About A Stool bar stools by Hay.
Details
| Product type | Multi-purpose chair |
| Dimensions | ![]() Dimensions in cm |
| Colours | Cover fabric![]() ![]() ![]() Cover leather ![]() ![]() Base ![]() ![]() |
| Material | Seat shell: injection-molded polypropylene made from 100% recycled PP Upholstery: Hallingdal fabric (70% pure wool, 30% viscose), Turf fabric (30% polyester, 28% wool, 28% acrylic, 10% cotton, 4% other fibers), Linara fabric (63% cotton, 37% linen), or Sense leather Padding: Foam (10 mm) Four-star base: Die-cast aluminum, polished or color-powder-coated |
| Function & Properties | Swivel |
| Delivery includes | With standard gliders |
| Care | Please click on the picture for detailed information (ca. 0,1 MB).![]() |
| Certificates & Sustainability | EN 16139:2013 (Furniture - Strength, durability and safety) L2 (Extreme stress) |
| Warranty | 24 months |
| Product family | About A Chair Collection |
| Datasheet | Click for more information (ca. 2,7 MB).![]() |











