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 |
Over the calf, and over the top.
This is a four season sock, great cushioning and support for standing in a river tossing flies at salmon, long hikes, hard hunts, and basically just keeping your feet dry and comfortable in most conditions. They will stay fresh and funk free for days on end... pack less, travel more. Less bulk and better fit, not quite as insulating as our Trekker or Pro-gear socks, but built to take whatever you can throw at them and still keep you cozy.
The Buffalo Wool Co. Kenai Boot Socks feature:
- URfit System for arch support and memory-knit construction
- Smooth and flat comfort toe seam
- Footbed is a luxurious bison down, ultra-fine merino, bamboo blend
- Leg Shaft is an extremely comfortable military-spec polypropylene
Knit for us at Fox River Mills in Osage Iowa, those sock-creating geniuses marry military spec polypropylene on the sock shaft with our close-to-bulletproof bison down/ultra fine superwash Merino wool, and bamboo yarn blend in the foot. (the same yarn we use in our B.O.S.S. socks.)
Anyone that has ever worn a pair of military polypro socks knows how supportive they are, but you have never felt the footbed comfort and warmth of our bison/merino/bamboo yarn blend at the same time.
The result is the exact sock that Fox River knits for the US Military but with your feet surrounded with the warm, moisture-wicking, comfortable, durable proportions of our BOSS Sock. This Mil-Top sock is about 3" taller than our Trekker boot sock ... right at mid-calf ... and with the stay-in-place power of mil-spec polypropylene.
As to scent capturing, We had one of our spec testers, who claims to have worn them a ridiculous 12 days of elk hunting. Now that would just be "Socks Abuse"! But these are the top of the hunting/moving/walking sock food chain. They are my "go-to" hard-wearing outdoor socks anymore.
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
33% Bison Down 33% Ultrafine Merino Wool 33% bamboo fiber
Overall Composition
FOOT: 29% American bison down / 28% nylon / 25% bamboo / 16% merino wool / 2% Spandex | LEG: 72% polypropylene / 26% nylon / 2% Spandex
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 | Alberta SnowDrift | Toque with Tassle | Bison Fibre Gloves | Alberta Hiker | Alberta 1/4 Cuff Sock | Alberta MINI | Alberta Grizzly | ProGear Boot - Silk & Bison Boot Socks | Bison Leather Mitts | Beanie | |
| Height | Ankle | Crew | Boot 14" | Crew | Over-the-calf | Crew | Crew | Crew | Crew | Ankle | Crew | Over-the-calf | ||||
| Weight | Midweight | Lightweight | Extra Heavyweight | Heavyweight | Midweight | Midweight | Heavyweight | Midweight | Midweight | Lightweight | Midweight | Midweight | ||||
| Performance Blend | Ultralight Gear | Ultralight Gear | Advantage Gear | Advantage Gear | Ultralight Gear | Ultralight Gear | Ultralight Gear | |||||||||
| Cushioning | Under foot cushion | Flat knit (no cushion) | Full cushion | Under foot cushion | Under foot cushion | Flat knit (no cushion) | Full cushion | Under foot cushion | Flat knit (no cushion) | Under foot cushion | Under foot cushion | Under foot 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 | Short boots, Hikers, Trail Shoes | Short boots, Hikers, Trail Shoes | Short boots, Hikers, Trail Shoes | Short boots, Hikers, Trail Shoes | Insulated Boots, Cowboy Boots | ||||
| 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 | Hiking, Hunting, Just a good warm sock | Hiking, Hunting, Just a good warm sock | Hiking, Hunting, Just a good warm sock | Hiking, Hunting, Just a good warm sock | Fishing/Hunting/Hiking | ||||
| 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 | 40% Bison, 30% Bamboo, 10% Merino Wool, 20% Nylon | 33% American bison down / 33% Merino wool / 33% Bamboo | 40% Bison down / 40% Alpaca / 20% Nylon | 40% Bison down / 40% Alpaca / 20% Nylon | 30% Bison down / 50% Alpaca / 20% Nylon | 40% Bison down / 40% Alpaca / 20% Nylon | 50% Bison, 50% Silk | Bison Leather | 40% Bison, 30% Bamboo, 10% Merino Wool, 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 | 40% Bison, 30% Bamboo, 10% Merino Wool, 20% Nylon | 36% nylon / 25% American bison down / 21% bamboo / 13% merino wool / 3% polyester / 2% Lycra spandex | Bison Alpaca | 32% Bison, 32% Silk, 26% Nylon, 4% Polyester, 4% Tencel, 2% Spandex | Bison Leather | 40% Bison, 30% Bamboo, 10% Merino Wool, 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 | Made in Canada | Made in the USA | Made in Canada | Made in Canada | Made in Canada | Made in Canada | Made in the USA | Made in Canada | Made in Canada |
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