Size Chart
Sock Sizing
Socks should fit as well as any of your other garments. The heel should sit on your heel and not under it as in a sock too small, nor half way up your Achilles as in a sock that’s too large. Socks should be flush against your foot with no extra material sagging. The toe seam should lay flat across the top of the toes.
Sock Heel at Your Heel
The sock heel should sit on your heel, not under it or above it.
Flat Toe Seam
The toe seam should lie flat along the top of your toes, not above or below.
Taut Across the Foot
Socks should be taut across your foot with no sagging material. If you wear a wide shoe size (E+), consider sizing up.
| Shoe Size | US Men | US Women |
| Small | – | 3 – 6.5 |
| Medium | 7 – 9 | 7 – 10 |
| Large | 9.5 – 11.5 | 10.5 – 12.5 |
| X-Large | 12 – 14 | – |
Insole Sizing
The right insole can make a significant difference to your comfort. The insole should fit the shape and contour of your shoe and the length should be a perfect match. The toe of the insole should not crumple up against the inside of the shoe, nor should it be too short.
Insole Matches Shoe Contour
The insole should fit the shape of your shoe, without any overhang or gaps.
Perfect Length
The insole should match the length of your shoe perfectly. The toe of the insole should not crumple or be too short.
| Shoe Size | US Men | US Women |
| Small | 5 – 6.5 | 6 – 7.5 |
| Medium | 7 – 8.5 | 8 – 9.5 |
| Large | 9 – 10.5 | 10 – 11.5 |
| X-Large | 11 – 12.5 | 12 – 13.5 |
Our newest lightweight sock, designed for dry cool comfort in hot environments, with superior moisture regain properties, almost double the wicking of fine wool and bamboo is a naturally antibacterial, antifungal and odor resistant fiber (keeps your feet dry and sweat-free)
Exceptionally durable for outdoor activities or in your loafers on the way to work.
Sometimes a product idea just completely makes sense. We spent a lot of time experimenting and futzing with the base yarn for our B.O.S.S. Socks, trying to get something extremely lightweight, breathable, wicking, cushioning and durable. Getting the proper ratios of bison, wool, bamboo, to insulate, breathe and wick.. and the right amount of twist, not so tight it doesn't have "spring" not so lofty it doesn't wear properly. It took us more than a few attempts, and we missed the summer selling season last year, but our all-weather B.O.S.S. socks have been nothing short of a stellar smash. SO, we thought we would do the next logical thing and make a crew height version of this sock. (Mostly because short socks look kinda silly in dress loafers)
It is really the exact same ultra-tough design as our Casual Crew sock, just with a lighter, more breathable, softer fiber blend, they are extremely long-wearing and supportive but not restrictive.
A "true rib" jersey knit crew sock of the old-school variety, this sock has the great foot fit and stay of our technical socks. It is insulating, soft and durable, and wicks moisture away like nothing you’ve ever experienced.
These socks are incredibly easy to care for and due to their antimicrobial properties, feel free to wear them a few times before washing. But when they do need to be cleaned, simply machine wash warm, then toss them in the dryer.
Material Composition
Yarn bases for all our gear is (and will always be) natural fibers. This means that the internal structure of your socks (the parts that touch your skin) will be made from bison fiber, merino wool, mulberry silk, and other 100% natural fibers.
The overall composition (the parts that touch your skin plus everything else) will include other materials like nylon or polyester. This is done to make the sock more durable and ensure that your socks work (and play) as hard as you do.
Yarn Base Composition
34% Bison down / 33% Merino wool / 33% Bamboo
Overall Composition
26% American bison down / 22% bamboo / 15% merino wool / 34% nylon / 3% Lycra spandex / 1% polyester
Product Comparison
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| The B.O.S.S. - Ultralight Gear Bison/Wool/Bamboo Short Sock | Casual Crew 2.0 - Ultralight Gear Bison/Wool/Bamboo Crew Socks | Trekker - Advantage Gear Bison/Wool Boot Socks | Yellowstone - Advantage Gear Bison/Wool Crew Socks | Kenai - Ultralight Gear Bison/Wool/Bamboo Boot Socks | Alberta Crew Socks - Alternative Gear | SnowDrift Trekker Socks - Alternative Gear | |
| Height | Ankle | Crew | Boot 14" | Crew | Over-the-calf | Crew | Crew |
| Weight | Midweight | Lightweight | Extra Heavyweight | Heavyweight | Midweight | Midweight | Heavyweight |
| Performance Blend | Ultralight Gear | Ultralight Gear | Advantage Gear | Advantage Gear | Ultralight Gear | Advantage Gear | |
| Cushioning | Under foot cushion | Flat knit (no cushion) | Full cushion | Under foot cushion | Under foot cushion | Flat knit (no cushion) | Full cushion |
| Recommended Footwear Type | Athletic Shoes | Athletic Shoes, Short Hikers | Waders, Muck Boots, Heavy Boots | Short boots, Hikers, Trail Shoes | Insulated Boots, Cowboy Boots | Short boots, Hikers, Trail Shoes | Short boots, Hikers, Trail Shoes |
| Typical Use | running, golf, shooting sports, daily wear | Daily Wear (warmer climates) | Extreme cold climate | Hiking, Hunting, Just a good warm sock | Fishing/Hunting/Hiking | Hiking, Hunting, Just a good warm sock | Hiking, Outdoors, Just a good warm sock |
| Base Yarn | 33% American bison down / 33% Merino wool / 33% Bamboo | 34% Bison down / 33% Merino wool / 33% Bamboo | 50% American bison down / 50% Merino wool | 50% American bison down / 50% Merino wool | 33% Bison Down 33% Ultrafine Merino Wool 33% bamboo fiber | 40% Bison down / 40% Alpaca / 20% Nylon | 40% Bison down / 40% Alpaca / 20% Nylon |
| Overall Composition | 36% nylon / 25% American bison down / 21% bamboo / 13% merino wool / 3% polyester / 2% Lycra spandex | 26% American bison down / 22% bamboo / 15% merino wool / 34% nylon / 3% Lycra spandex / 1% polyester | 33% American bison down / 39% merino wool / 18% nylon / 8% polyester / 2% Lycra spandex | 36% Bison down / 36% Merino wool / 26% Nylon / 2% Spandex | FOOT: 29% American bison down / 28% nylon / 25% bamboo / 16% merino wool / 2% Spandex | LEG: 72% polypropylene / 26% nylon / 2% Spandex | 40% Bison down / 40% Alpaca / 20% Nylon | |
| Origin | Made in the USA | Made in the USA | Made in the USA | Made in the USA | Made in the USA | Made in Canada | Made in Canada |
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