• Former French Vogue editor-in-chief Carine Roitfeld will sign copies of her new book, Irreverent, at Bookmarc. Champagne will be provided by Veuve Cliquot, and Marc Jacobs himself is rumored to make an appearance. Bookmarc, 200 Bleecker St. (212-620-4021); 6-8.
• Celebrate the opening of Patagonia’s new concept store on the Upper West Side with a hot cup of apple cider and an exclusive preview of Sweetgrass Film’s Solitaire: A South American Ski Film. The film will be followed by a Q&A with director Nick Waggoner, and there will be live music, food, and giveaways all evening. Patagonia Tin Shed, 2625 Broadway, nr. 99th St. (212-865-2693); 6:30 p.m.
• Take 50 to 75 percent off Spring & Clifton's autumn knit collection, including sweaters, cardigans, capes, separates, and outwear accessories like hats and scarves. Court, 178 Mulberry St., nr. Broome St. (212-925-1022); F-Su (noon-8).
• Cowboy boots are $50 (originally $225) and apparel is $10 to $25 (originally $50 to $200) at the Stetson sample sale. 263 W. 38th St., nr. Seventh Ave., tenth fl.; Th–F (11–4).
• Tops are $35 to $45, skirts are $45, dresses are $65, and jackets are $70 at the Lafayette 148 sample sale. 148 Lafayette St., nr. Howard St. (646-922-1799); Th (9–7), F (9–6).
• Take up to 70 percent off retail prices on women's dresses, pants, tops, and jackets at the Tibi sample sale. Happy Monkey Studio, 348 W. 36th St., ground fl. (212-290-5306); W (noon-7), Th (10-7), F (10-3).
• Leather cuffs with pave detailing are $35 to $90 (originally $85 to $215), cubic zirconia necklaces are $95 (originally $250), and embellished solid brass animal rings are $25 to $95 (originally $70 to $275) at the Noir sample sale. 350 W. 38th St., nr. Ninth Ave., fifth fl. (212-244-4846); W–F (10–7).
• All men's and women's clothing and accessories are up to 80 percent off at the Gant fall/winter sample sale. Oxford, poplin, and madras shirts are $30 (originally $99 to $250), blazers and outerwear are $100 (originally $495 to $1,595), sweaters are $35 (originally $135 to 350), and ties, hats, and scarves are $20. 20 W. 55th St., nr. Fifth Ave., eleventh fl.; W–T (8:30–6:30), F (8:30–5).
• Shop discounted clothing, shoes, and accessories from DSquared, Maison Martin Margiela, Viktor & Rolf, and more at the Staff USA sample sale. 220 W. 19th St., nr. Seventh Ave., twelvth fl. (646-613-8457); Th (1–7), F (10–7), Sa (noon–5).
• Shop discounted menswear from Oliver Spencer, Gilded Age, George McCracken, and more at the Peregrine Showroom sample sale. 89 Fifth Ave., Ste. 902; Th–Sa (10–6).
• The Alexandre Hercovitch Joy brogues are $50 (originally $100), the Vivienne Westwood Ultragirl flats are $60 (originally $135), and the Melissa Cirque booties are $80 (originally $260) at the Melissa shoes sample sale. 520 W. 27th St., nr. Tenth Ave., Ste. 601; Th–F (noon–8), Sa (11–3).
• Browse discounted vintage and designer labels at the Society of Memorial Sloan-Kettering's Thrift Shop's Holiday Bazaar. Highlights include $140 Manolo Blahnik gold sandal heels, a Missoni wool dress for $950 (new with tags), and an Alexander McQueen dress suit for $675. Proceeds will benefit the Society's patient care, research, and education programs. 1440 Third Ave., nr 81st St. (212-535-1250); W (10-7), Th-F (10-5:30), Sa (11-5), Su (noon-5).