Hello, Please see sizing below. Small/Medium Medium Large 48-57cm / 19-22.5in 55-61.5cm / 22-24in

Is this ansi and or osha approved?

Not sure about ANSI or OSHA. Best bet is to contact Black Diamond directly and ask if the compliances met already on the helmet encompass the ones you are asking about. Here is what the instruction manual indicates: EN 12492: This number indicates that this helmet conforms to EN 12492:2012, the European Standard for “Mountaineering equipment – Helmets for mountaineers – Safety requirements and test methods.” UIAA: The presence of the UIAA Label indicates that the helmet has been tested according to UIAA 106 and awarded the UIAA Safety Label. : The CE mark of conformity indicates fulfillment of the requirements of the Personal Protective Equipment Directive (89/686/EEC) or Personal Protective Equipment Regulation (EU 2016/425). The Declaration of Conformity for this product may be viewed at http://blackdiamondequipment.com/DOC

How well would this helmet protect against falling rocks from above? Is it as strong as an industrial hard hat?

Compared to a hard hat, I’d think this helmet offers more protection. Of course, its safety depends upon the size of the rocks and the distance it falls.

Is it possible to separate the plastic from the hardware/foam in order to change out the shell color or paint the shell?

The components of this helmet are not meant to be separated (with the exception of the foam comfort padding), and we cannot recommend any modifications to protective equipment.

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Description

🧗‍♂️ Elevate your climb with the helmet that’s as agile as you are.

STREAMLINED UTILITY - Slim, lightweight headlamp clips keep your gear ready without bulk.
SECURE COMFORTABLE - Easily adjustable chin strap ensures your helmet stays put during every move.
ENGINEERED FOR SAFETY - Polycarbonate shell with EPS foam absorbs impacts so you climb with confidence.
FEATHERLIGHT PERFORMANCE - Shed over 40 grams from the original—feel the difference on every ascent.
PRECISION FIT ON THE FLY - Custom one-handed adjustment wheel lets you dial in comfort instantly.

The Black Diamond Half Dome Helmet SS23 is a redesigned climbing essential featuring a durable polycarbonate shell and moulded EPS foam for top-tier protection. Weighing 40 grams less than its predecessor, it offers enhanced comfort and a custom one-handed adjustment wheel for quick, precise fit. Ideal for trad climbing, alpine expeditions, and bouldering, it includes slim headlamp clips and an adjustable chin strap, making it a versatile, year-round outdoor companion.

Specifications

Age range	Adult
Color	slate
Size	M-L
Style	Minimalist
Team	Black Diamond
Material composition	Polycarbonate, foam
Height	6 inches
Item display length	11 inches
Weight	454 g
Item display width	9 inches
Material type	Plastic
Number of items	1
Outer material	Polycarbonate (PC)
Seasons	Year-Round Item
Features	Adjustable, lightweight
Usage	Outdoor Climbing Bouldering Canyoneering Backcountry
Sport	Camping & Outdoor
Included components	No
Batteries included?	No
Brand	Black Diamond
Department	Unisex
Manufacturer	Black Diamond
Item model number	33805300021
Product Dimensions	27.94 x 22.86 x 15.24 cm; 354 g
ASIN	B07KXZ1QR3

Reviews

L**N

Great product

Fast delivery, great product & affordable

14.02.2022

O**.

Large enough to fit over my dreadlocks!

Just received, delivery was very fast and it actually fits over my head and bulky dreadlocks which other helmets I've tried do not manage!Time will tell how it functions when climbing, hopefully I won't be in a situation where it's put fully to the test, but looking forward to wearing it on an outdoor lead sport and trad course next week!

2.06.2023

A**R

Good basic helmet

Did it's job good value for money. Only issue with it was it sits a bit high on my head so looks a bit goofy.

18.05.2024

G**E

Great

Great helmet for the price with plenty of adjustment.

16.03.2025

A**R

Good value

Good product. Got this for my brother he’s happy with it

21.04.2020

B**Y

Swift

Top quality, delivered quickly as well

24.01.2021

S**E

Four Stars

Speedy delivery, fits, still works.

19.02.2018

B**

Walk on by

There's nothing to see here.

16.05.2023

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