Description
MCR Safety 4320 is a select B+ grade cowhide welding glove with straight thumb, gauntlet cuff, fleece lining. MCR Safety rates it abrasion level 4, puncture level 5, contact heat level 3. Sold by the pack. Ships in 1–2 business days; most orders arrive in 3–7 business days.
MCR Safety 4320 specifications
| Item | MCR Safety data |
|---|---|
| Part number | 4320LH |
| MCR Safety description | MCR Safety Welding Leather Welding Work Gloves Select B+ Grade Shoulder Leather Reinforced Thumb |
| ANSI Abrasion Level | 4 |
| ANSI Puncture Level | 5 |
| ANSI Contact Heat Level | 3 |
| Leather Type | Cowhide |
| Leather Grade | Select B+ |
| Pattern | Welder |
| Cuff Style | Gauntlet |
| Thumb Style | Straight |
| Lining | Fleece |
| Hand | Left |
| Features | Insulated |
| Packaging | Polybag 12 |
| MCR Safety sells by | Dozen |
| Case pack (MCR Safety file) | 144, 6 per case |
| California Proposition 65 | Warning applies, as MCR Safety lists it |
Source: MCR Safety product page https://mcrsafety.com/arm-hand-protection/4320, fetched Nov 6 2026; MCR Safety specification sheet 4320; MCR Safety price and packaging file, Oct 21 2026.
Ratings and standards
| Standard | Rating as published by MCR Safety |
|---|---|
| ANSI/ISEA 105-2024 abrasion resistance (ASTM D3389 / D3884) | Level 4 (3,000 cycles or more to failure) |
| ANSI/ISEA 105-2024 puncture resistance | Level 5 (150 N or more) |
| ANSI/ISEA 105-2024 conductive heat resistance (ASTM F1060) | Level 3 (contact temperature up to 200 °C (392 °F)) |
Source: MCR Safety product page https://mcrsafety.com/arm-hand-protection/4320, fetched Nov 6 2026; MCR Safety specification sheet 4320; MCR Safety, "ANSI/ISEA Standard 105-2024 Update" (ANSI/ISEA 105-2024: A Quick Guide to Hand Protection Standards). Ratings are as published by the manufacturer or the named standard, not a recommendation for any task.
Features
- Select B+ grade split cow leather
- Sewn with Kevlar thread
- 1 pc back, welted and lined
- Reinforced straight thumb
- Russet color
Source: MCR Safety feature list for style 4320 on its product page, fetched Nov 6 2026.
MCR Safety 4320 family
| Part number | Style | Size | UPC | Case pack | MCR sells by | On our site |
|---|---|---|---|---|---|---|
| 4320 | 4320 | XL (10) | 30451430432007 | 6 | DZ | another listing |
| 4320LH | 4320 | XL (10) | 045143432097 | 144 | EA | this page |
Source: MCR Safety product page for each style (fetched Nov 6 2026); MCR Safety price and packaging file, Oct 21 2026 (UPC, case pack, how MCR sells it). Each style links to its own page.
MCR Safety 4320 questions
Which type of hand gloves are used for welding? Leather welding gloves like the 4320: Select B+ grade cowhide, welder pattern, gauntlet cuff, fleece lined; MCR Safety rates it contact heat 3.
Will leather gloves protect you from electrical shock? MCR Safety publishes no electrical rating for the 4320; its ratings are abrasion 4, puncture 5, contact heat 3. Rubber insulating gloves are a different product: electrical gloves vs work gloves.
What glove material is heat resistant? MCR Safety rates the 4320 (Cowhide) ANSI/ISEA 105 conductive heat Level 3 (contact temperature up to 200 °C (392 °F)) on the ASTM F1060 test. The rating is for contact heat, not flame.
What do abrasion resistant gloves mean? The ANSI/ISEA 105 abrasion level counts the cycles to wear through on the ASTM D3389 / D3884 test. MCR Safety rates the 4320 abrasion Level 4 (3,000 cycles or more to failure), puncture Level 5 (150 N or more).
How is the 4320 sold? By the pack. MCR Safety case pack: 144, 6 per case.
Guides: leather types and grades · MIG vs stick vs TIG · OSHA welding PPE · ANSI heat and flame levels · cleaning leather work gloves · every welding glove, helmet and garment by type · electrical gloves vs work gloves.
Manufacturer item number: 4320. Spec sheet: MCR Safety specification sheet (PDF).
This product carries a California Proposition 65 warning from the manufacturer.
MCR Safety Welding
Leather Welding Work Gloves
Select B+ Grade Shoulder Leather
Reinforced Thumb
Sewn with Kevlar®
MCR Safety offers a wide range of leather welding gloves, making it a safe bet you can find one perfect for your job! From high-quality premium gloves to rugged economy options, we've got you covered! The 4320 is a select B+ grade split shoulder leather welders' glove that is russet in color. It features a reinforced straight thumb and is stitched with durable Kevlar® thread. Other features include a 1-piece back, welted seams, and fleece lining. Left Hand Only Option Available = 4320LH
Sold by the pack of 24
One pack holds 24. The price shown is per pack of 24; quantity 1 = 1 pack of 24.
Prop 65 Warning
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.govItem Number
4320LH
