MM Basic Sit Harness

Name: Misty Mountain Threadworks MM Basic Sit Harness - MM Basic Sit Harness
Brand: Misty Mountain Threadworks
SKU: 45258424156472
Price: 339.95 USD
Availability: InStock
Rating: 5 (1 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$339.95

Quantity

Color

Black

Quantity

Description

The MM Basic Sit Harness forms a climbing sit harness that meets ASTM F1772 and is load rated to 16 kN. Components: MM Basic Belt and Leg Loops, auto-locking carabiner. Low profile modular sit harness suitable for lead & urban climbing,...

Reviews

5.0

1 rating

The box showed up beat to hell, but the harness was fine, nicely made and easy to adjust

Brian · July 24, 2026

Delivery & Returns

Misty Mountain Threadworks

4.8 (100)

Product description loading

This is the product description text that will appear here.

Misty Mountain Threadworks

MM Operator Sit Harness

(2)

$534.95

Misty Mountain Threadworks

MM Cobra Leg Loops

$279.95

Misty Mountain Threadworks

MM Operator Belt

(3)

$264.95

Misty Mountain Threadworks

Heli Tether

(1)

$214.95

Misty Mountain Threadworks

Quick Adjust Chest Harness

(1)

$74.95

Aerial Adventure Tech

Aspir Sit Harness

$99.95

Arizona Mountaineering Gear

4.9

(75)

Misty Mountain Threadworks

Zipstream Challenge Harness

$94.95

Baudrier d'escalade Beal — Ellipse XT (photo 1/7)

36% off

4c+

Ellipse XT

€70.00€110.00

Climb On Equipment

Falcon Mountain Harness

(3)

$206.00

Endor's Arborist & Rope Supply LLC

CAMP TREE ACCESS ANSI ST SIT HARNESS

$549.75

16% off

Misty Mountain Threadworks

2025 Sonic Harness

$134.97$159.95

Misty Mountain Threadworks

Arc Harness

$579.95

23% off

Eastside Sports

Yates Gear Shield Harness 208

$200.00$260.00

Climb On Equipment

Sitta Harness

(2)

$169.00

Misty Mountain Threadworks

MM Cobra Sit Harness

(1)

$404.95

Misty Mountain Threadworks

Mountain SAR Harness

(1)

$289.95

Misty Mountain Threadworks

Summit Harness

(1)

$119.95

Avant Climbing Innovations

4.9

(525)

Misty Mountain Threadworks

Basic Chest Harness

$69.95

MTN SHOP

Petzl ASPIC Tactical Seat Harness

$149.95

Misty Mountain Threadworks

Bolt Harness

$129.95

PowerGear

Petzl - ASPIC - Seat Harness

$134.95

Metolius Climbing

Safe Tech™ All Around Harness

$129.95

20% off

Rock & Resole

Cadillac Quick Adjust

$151.96$189.95

Verti Call

Renegade Harness

$103.00

Misty Mountain Threadworks

Sonic Harness

(2)

$159.95

Misty Mountain Threadworks

Big Wall Aider

$54.95

Escape Climbing

4.9

(822)

Rock & Resole

Sitta

$184.95

How NOT 2

4.9

(1.1K)

Misty Mountain Threadworks

Black Tactical Challenge Harness

(1)

$99.95

Misty Mountain Threadworks

MM Sparta Cobra Belt

$174.97

Misty Mountain Threadworks

MM Basic Belt

$129.95

DELIRE.boutique

Sitta Harness - Petzl

CA$229.95

Misty Mountain Threadworks

Stealth Pad

$399.95

Misty Mountain Threadworks

Spectrum Harness

(2)

$109.95

Project Adventure

Headwall Universal Seat Harness

$47.00

Kong USA

COMPACT

$136.95

Mt Waddington's Outdoors

Altitude Harness

$96.00

Black Diamond

4.8

(9.7K)

Misty Mountain Threadworks

Zip Tether

$29.95

Misty Mountain Threadworks

Full Body Deluxe Harness

$259.95

50% off

Rock+Run

Climbing Technology Ascent Harness (Blue / Anthracite)

(1)

$45.00$90.00

12% off

Miyar Adventures

Mammut 4 Slide Harness

$57.29$64.95

Misty Mountain Threadworks

MM Sparta Cobra Light Sit Harness

$444.95

Backyard hosting games

Cornhole, net games, and classics.

Misty Mountain Threadworks

MM Sparta Belt

$119.95

Misty Mountain Threadworks

DMM Shadow HMS Locksafe Carabiner

$35.95

25% off

Verti Call

Sender Harness (past season)

$72.00$96.00

Misty Mountain Threadworks

Titan Harness

(5)

$219.95

Misty Mountain Threadworks

Fast Rope Quick Release Tether

$204.95

beal-planet

DRAGON (SIT)

$151.00

Neptune Mountaineering

Cadillac Quick-Adjust Harness

$179.95

Inner Mountain Outfitters

Petzl Falcon Mountain

$239.95

Verti Call

4 Slide Harness

$59.00

Balance Community

4.9

(524)

15% off

Misty Mountain Threadworks

2025 Cadillac F

$152.97$179.95

Metolius Climbing

Safe Tech™ Waldo Harness

(2)

$149.95

MTN SHOP

PMI Pit Viper Harness

$81.70

Misty Mountain Threadworks

MM Tether

$224.95

Misty Mountain Threadworks

Milroc Military Harness

$146.95

Misty Mountain Threadworks

MM Cobra Light Leg Loops

$269.95

Misty Mountain Threadworks

MM Chest Harness

$339.95

Climb On Equipment

Altitude Harness

(1)

$96.00

Golf getaway gear

Travel covers, packing cubes, and golf shoes.

Misty Mountain Threadworks

2025 Bolt Harness

$119.95

Verti Call

Whisper Harness

$184.00

Mad Rock Climbing

Orbit Harness

(1)

$65.00

Climb On Equipment

Whisper Harness

$184.00

Nature Outfitters

Challenge Seat Harness

$85.00

Misty Mountain Threadworks

Highlander Crash Pad

$374.95

Misty Mountain Threadworks

Cadillac Double Pass

(10)

$189.95

The Edge Rock Gym - Miami Gear Shop

Golden Grip Midas Harness

$89.98

MTN SHOP

Journeyman Flex® Steel 4D Construction Climbing Full Body Harness

$303.75

Misty Mountain Threadworks

Cadillac Tactical Harness

(3)

$289.95

Misty Mountain Threadworks

Special Ops Chest Harness

$69.95

Misty Mountain Threadworks

MM Basic Leg Loop

$209.95

Misty Mountain Threadworks

Tactical ROCO Insertion Cache (TRIC Rope Bag)

$494.95

MTN SHOP

Petzl FALCON MOUNTAIN Rescue Harness

(1)

$239.95

16% off

Misty Mountain Threadworks

2025 Turbo Harness

(3)

$125.97$149.95

Misty Mountain Threadworks

Turbo Harness

$149.95

14% off

OmcGear

Mammut 4 Slide Harness

$55.99$64.95

Soccer training basics

Pop-up goals, balls, and agility ladders.

Nature Outfitters

TOP Seat Harness

$54.99

Misty Mountain Threadworks

Challenge Harness

$84.95

Misty Mountain Threadworks

Infinity Harness

$109.95

Misty Mountain Threadworks

Clean Gear Sling

$29.95

trad and winter mountaineering harness comfy padded seven gear loops

DMM North America

Renegade

$115.99

Climb On Equipment

Corax Harness

(2)

$66.00

MM Basic Sit Harness

Reviews

Delivery & Returns

Misty Mountain Threadworks

You might also like

MM Operator Sit Harness

MM Cobra Leg Loops

MM Operator Belt

Heli Tether

Quick Adjust Chest Harness

Aspir Sit Harness

Arizona Mountaineering Gear

Zipstream Challenge Harness

Ellipse XT

Falcon Mountain Harness

CAMP TREE ACCESS ANSI ST SIT HARNESS

2025 Sonic Harness

Arc Harness

Yates Gear Shield Harness 208

Sitta Harness

MM Cobra Sit Harness

Mountain SAR Harness

Summit Harness

Avant Climbing Innovations

Basic Chest Harness

Petzl ASPIC Tactical Seat Harness

Bolt Harness

Petzl - ASPIC - Seat Harness

Safe Tech™ All Around Harness

Cadillac Quick Adjust

Renegade Harness

Sonic Harness

Big Wall Aider

Escape Climbing

Sitta

How NOT 2

Black Tactical Challenge Harness

MM Sparta Cobra Belt

MM Basic Belt

Sitta Harness - Petzl

Stealth Pad

Spectrum Harness

Headwall Universal Seat Harness

COMPACT

Altitude Harness

Black Diamond

Zip Tether

Full Body Deluxe Harness

Climbing Technology Ascent Harness (Blue / Anthracite)

Mammut 4 Slide Harness

MM Sparta Cobra Light Sit Harness

MM Sparta Belt

DMM Shadow HMS Locksafe Carabiner

Sender Harness (past season)

Titan Harness

Fast Rope Quick Release Tether

DRAGON (SIT)

Cadillac Quick-Adjust Harness

Petzl Falcon Mountain

4 Slide Harness

Balance Community

2025 Cadillac F

Safe Tech™ Waldo Harness

PMI Pit Viper Harness

MM Tether

Milroc Military Harness

MM Cobra Light Leg Loops

MM Chest Harness

Altitude Harness

2025 Bolt Harness

Whisper Harness

Orbit Harness

Whisper Harness

Challenge Seat Harness

Highlander Crash Pad

Cadillac Double Pass

Golden Grip Midas Harness

Journeyman Flex® Steel 4D Construction Climbing Full Body Harness

Cadillac Tactical Harness

Special Ops Chest Harness