Boot Tan Festival is gearing up for its fourth year of inviting women to hit the slopes fully nude for an after-hours ski run at Sunlight Mountain Resort in Glenwood Springs on March 29-30.

Founder Jenny Verrochi, 33, said the event started “unintentionally” to create a “safe place” among female skiers that would allow “women to be free” in a private place.

This year, she has opened up the festival to femme-presenting nonbinary individuals as well, she told The Post Thursday.

Verrochi also said her first and foremost priority is to “protect the women.”

When asked if she feared men might try to sneak in under the disguise of nonbinary — as seen at a women’s tech job fair — Verrochi isn’t worried.

“We never had an issue with men or men-identifying.”

As for women who may be weary, they don’t have to take their clothes, but Verrochi — who also participates in the event — said they won’t want to by the end of the event.

“There’s not a single person with clothes on by the end of the day,” she revealed.

She described the experience as “collective joy” and said most of the women feel free to strip to their birthday suits because they’re among like-minded people and no prying eyes are around.

The women will be clothed going up the ski lift and fully dressed before re-entering Sunlight Mountain Resort’s facilities.

In addition, only female staff will be on the mountain when the women and femmes zip down — and male employees will have their phones revoked for security reasons, Verrochi told The Post in a phone interview.

The literal ski bums will be met with their belongings at the bottom of the mountain.

Participants will have to check into the event and extra security will be around to keep the women and femmes safe, Verrochi said.

The literal ski bums will be met with their belongings at the bottom of the mountain.

In addition, the slope the women will use after hours is private with no other intersecting trails, leaving zero space for a sneaky man to try and take a peak, she said.

The resort will be open to everyone — including men — during the day, but after its 3 p.m. closing time, only those with a Boot Tan Festival ticket will be allowed to stay and shred.

During the day, women-owned vendors will be spotlighted in a merchant village and festivities include a comedy show, live music, and a tailgate party.

Every year, Verrochi hopes the women find a “newfound love for their bodies” and walk away with “friendships” and new experiences.

“It’s been wonderful [hosting the event],” the Carbondale native told The Post of the “liberating” event. “We call it full-frontal freedom.”

“I’m so lucky this is my job.”

The event started in 2021 with only 27 backcountry skiers before growing to 200 in its second year and 350 in its third.