MELASA Cooling skull caps and hard hat liners

Sweat stays off your face and the helmet stays where it was

In July the trouble under a helmet is less the heat than the sweat that runs off your forehead into your eyes at the worst moment. Every cap on this shelf is thin mesh or wicking fabric with a band at the edge that soaks the sweat up before it drips. The Cooling Mesh Skull Cap has the most ratings here, over 5,000, and comes in 22 colors. The Sweat-Wicking Cooling Skull Cap is the simpler one, in five.

The rest differ by what else they cover. The neck shade and neck extension liners hang a flap over the back of your neck. The ear flap cap covers your ears where a helmet strap rubs. The cycling cap has a short brim you flip up when you need the whole road in view. The Cooling Do-Rag sizes with a strap at the back, and the mesh do-rags in the 2-Pack trail a long tail over your neck. Three caps come three to a pack, at 17 to 17.7 grams each, so a dry one can wait in your bag for the afternoon.

A cap is a comfort layer, not a plan for heat. OSHA's guidance comes down to water, rest and shade, plus time to get used to the heat if you are new to it. NIOSH suggests a cup of water every 15 to 20 minutes for moderate work lasting under 2 hours. Neither mentions caps. Wear one to keep sweat out of your eyes and drink anyway. Under a hard hat, use a liner sold for it and confirm with the helmet's maker.

What each MELASA cooling cap adds
Cap	Extra cover	Edge and fit	In the box
Cooling Mesh Skull Cap	None	Ice silk mesh, wicking edge	1 cap, 22 colors
Sweat-Wicking Cooling Skull Cap	None	Mesh, dries fast	1 cap, 5 colors
Cooling Cycling Cap with Visor	Flip-up brim	Double-layer sweat edge	1 cap, 4 colors
Cooling Skull Cap with Ear Flaps	Ears	Mesh, wicking	1 cap, 3 colors
Cooling Hard Hat Liner with Neck Shade	Back of the neck	Wide sweatband, 16 g	1 liner
Cooling Hard Hat Liner with Neck Extension	Back of the neck	Double-layer sweat edge	1 liner
Cooling Do-Rag	None	Double-layer brim, strap at the back	1, 10 colors
Mesh Do-Rag, 2-Pack	Long tail over the neck	Adjustable straps	2
Cooling Skull Cap, 3-Pack	None	4-way stretch, 17 g, machine washable	3
Mesh Hard Hat Liner, 3-Pack	None	Sweatband, 5.9 in deep, 17.7 g	3
Sweat-Wicking Mesh Skull Cap, 3-Pack	None	Elastic edge, fits 21.2 to 23.6 in	3

Weights and head sizes are given where we publish them.

These 11 products are part of the MELASA lineup, from $5.99 to $21.82 in our last catalog update.

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Questions

About MELASA cooling skull caps and hard hat liners

Does a MELASA cooling cap keep you from overheating?

No cap does that. OSHA's heat advice is water, rest and shade, plus time to get used to the heat. What a cooling cap does is catch sweat at your brow and sit thin under a helmet. Wear one for comfort and keep drinking.

Which MELASA cooling cap covers your neck?

The Cooling Hard Hat Liner with Neck Shade and the Cooling Hard Hat Liner with Neck Extension both hang a flap over the back of your neck. The mesh do-rags in the 2-Pack have a long tail at the back that does the same.

Why buy MELASA cooling caps in a 3-pack?

A soaked cap stops doing its job by early afternoon. With three in the bag you change into a dry one at lunch and wash the rest at night. The Cooling Skull Cap 3-Pack is machine washable, and each cap in the three packs weighs 17 to 17.7 grams.

Which MELASA cap fits under a hard hat in summer?

The mesh liners sold for wear under a hard hat: the Cooling Mesh Skull Cap, the Sweat-Wicking Cooling Skull Cap, the neck shade and neck extension liners, and two 3-packs. Ask your hard hat maker which liners it allows. The skull cap and liner guide explains why.

This is general information about headwear and eye cover, not safety advice for your job site. Your employer's safety rules, the label inside your hard hat and the instructions that come with each item come first.

What the public sources say

OSHA: Heat (safety and health topic). OSHA promotes water, rest and shade both to prevent and to treat heat illness, says workers new to the heat need time to acclimatize with fluids, shorter shifts and frequent breaks, and lists sunlight and clothing that holds in body heat, such as protective gear, among the factors that raise the risk. Read October 4, 2026.
CDC/NIOSH: Heat stress, workplace recommendations. For moderate activity in the heat lasting under 2 hours, NIOSH advises 1 cup (8 oz.) of water every 15 to 20 minutes, rest and water breaks when a worker feels heat discomfort, and building up time in hot conditions over 7 to 14 days; it does not single out hats or caps. Read October 4, 2026.
OSHA standard interpretation: Wearing caps or other apparel under a hard hat for cold weather protection (April 17, 2006). OSHA rules do not expressly ban cold weather garments under hard hats, and the ANSI helmet standards treat winter liners as accessories, so a liner specifically designed to be compatible with the hard hat is not prohibited; a garment that detracts from the helmet's protection would violate the rule, OSHA recommends permitting only liners designed for the hard hat and checking with its maker, notes that one maker says nothing should be worn inside, and quotes the ANSI rule that winter liners for Class B (electrical) helmets have no metal parts. Read October 4, 2026.

Each of these sources is linked in our skull cap and liner guide.

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MELASA cooling skull caps and hard hat liners (11)

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MELASA Cooling Mesh Skull Cap

MELASA Cooling Mesh Skull Cap

MELASA Sweat-Wicking Cooling Skull Cap

MELASA Sweat-Wicking Cooling Skull Cap

MELASA Cooling Cycling Cap with Visor

MELASA Cooling Cycling Cap with Visor

MELASA Cooling Do-Rag