Gear up for the holidays at the Shop Happy Holiday Sale of men’s and women’s clothing and home items at up to 50% off. Designers including Sydney Albertini, Amanda Rodd, and Dirty Linens will be featured during the week. Men’s hooded blazers, originally $300, will be $100, and women’s bags, originally $600, will be $200. Thursday to December 15, noon-6 p.m., Space Downtown, 276 W. 25th St., between Seventh and Eighth avenues, 212-352-9968.

Get your groove on at the Archive of Contemporary Music record and CD sale. More than 20,000 LPs and CDs will be on sale, most priced between $1 and $3. An LP of “Saturday Night Fever” signed by John Travolta ($150) will be a big ticket item. The twice yearly sale will include out-of-print items and unreleased CDs. Today-Sunday, 11 a.m.-6 p.m., Archive of Contemporary Music, 54 White St., between Broadway and Church Street, 212-226-6967.

Stetson (yes, the hats) is having a sample sale on select items from its showroom this week. Many styles will be priced below $50, which is a rarity for these high-end hats. Cashmere knit hats that were $275 are now $99 and fedoras that were $200 are now $79. Cash only. Thursday and Friday, 11 a.m.-6 p.m., Saturday, noon-4 p.m., Stetson Show Room, 70 W. 36th St., between Fifth and Sixth avenues, 14th floor, 212-563-1848.