Arc'teryx Geometric Beanie
The Arc'teryx Geometric Beanie uses a wool-acrylic blend in an insulated, fine-ribbed knit construction. Weighing 54 grams, this single-layer beanie features geometric patterns and provides warmth for temperatures between 20-40 degrees. Released around 2015-2017 based on retailer listings, this discontinued model appeared in Blue Moon and Wolfram colorways. Original retail $40-50, now available on resale for $25-45.
How Does the Arc'teryx Geometric Beanie Fit?
The one-size design fits true to Arc'teryx standards. At just over 6 feet and 165 pounds, I find the ribbed knit stretches comfortably without creating pressure points. The fine ribbed construction has more give than heavier cable knits, accommodating different head sizes while maintaining a snug profile. The single-layer build keeps bulk minimal, making this appropriate for wearing under jacket hoods during hiking. For detailed fit comparisons across models, check the Arc'teryx beanie sizing guide.
Warmth and Temperature Range
The insulated fine-ribbed knit delivers solid warmth for moderate cold between 20-40 degrees. The wool-acrylic blend traps heat effectively, and the ribbed texture creates small air pockets that add insulation. I've worn this during morning trail runs in Texas when temperatures hovered around 30 degrees, and it kept my head warm without overheating during effort. For temperatures below 15 degrees, I switch to double-layer options like the Castlegar Toque. The breathable construction handles high-output activities better than heavily insulated beanies.
The Wool-Acrylic Blend Won't Itch
The acrylic content softens the wool enough to prevent scratching against my forehead. Pure wool beanies sometimes cause irritation, but this blend sits comfortably during extended wear. I've worn the Geometric through full-day ski sessions without developing red marks. The fine ribbed texture creates a smooth interior surface that feels softer than chunkier knits. For people with extreme wool sensitivity, the Grotto Toque offers a synthetic alternative.
How Durable Is the Construction?
The wool-acrylic blend resists pilling better than pure acrylic while maintaining shape better than pure wool. The fine ribbed knit holds its structure through repeated wear and washing. I hand wash mine in cold water with wool detergent and hang dry. The geometric pattern shows no fading after multiple seasons. Arc'teryx's construction quality shows in the clean seams and consistent knit tension throughout.
Arc'teryx Geometric Beanie vs. Stonecat Hat and Vestigio
At 54 grams, the Geometric sits between lightweight options like the Vestigio Beanie at 45 grams and heavier beanies like the Bird Head Toque at 57 grams. The Stonecat Hat shares the same wool-acrylic blend at a similar weight, but the Stonecat uses a finer ribbed knit without the geometric patterns. The single-layer build breathes better than double-layer options but provides less warmth in extreme cold.
Resale Value and Where to Find One
For a lightweight wool-blend beanie with distinctive styling, the Geometric holds up well on the secondary market. The geometric patterns offer visual variety compared to Arc'teryx's typically minimalist designs. At $25-45 on resale, the price represents good value for the quality. Outdoor Research's Ember Beanie at $32 offers similar wool-blend construction with current production availability. Check Arc'teryx for current options, or browse the complete beanie list for other discontinued models.