• Shoes, sneakers, and accessories are 20 percent off during the grand opening of JUMBO, a pop-up shop from JUMP Footwear and Nos Boutique. 165 Front St., at Jay St., Dumbo, Brooklyn (718-422-0095); 6:30–10.
• Head over to Oak for a party to celebrate Obey’s new summer collection, which includes a limited-edition Obey/A.OK T-shirt. 208 N. 8th St., nr. Driggs Ave., Williamsburg, Brooklyn (718-782-0521); 6–9.
• Get your hair cut for a good cause at Woodley & Bunny's "Guys and Dogs Shave-Off." Men can get their head shaved at Woodley & Bunny ($10) and dogs can get their coats shorn at Dog Addiction ($20 off grooming). All hair will be donated to Matter of Trust to help clean up the Gulf oil spill. Through 6/30. Woodley & Bunny, 196 N. 10th St., at Driggs Ave., Williamsburg, Brooklyn (718-218-6588); June 3 (5–8), M–F (10–9), S (9–8), Su (11–7). Dog Addiction: 243 Berry St., nr. Grand St., Williamsburg, Brooklyn (718-599-1656); M–F (8–8), S (10–6).
• Drop by Phaidon to celebrate the release of Andy Warhol Catalogue Raisonné, Volume 3: Paintings and Sculptures 1970-1974. E-mail firstname.lastname@example.org to RSVP. 83 Wooster St., nr. Spring St. (212-925-1900); 6:30 p.m.
• Shop spring clothing from Alexandra Grecco, Samantha Pleet, Dusen Dusen, and more at Charlie and Sam's one-year anniversary. Cocktails and hors d'ouevre will be served. 135 Grand St., nr. Berry St., Williamsburg, Brooklyn (718-387-0083); 6–9.
• Menswear is up to 60 percent off at the Theory men's sample sale. Suits are $349, outerwear is $199, and pants are $89. Through 6/7. 139 Fifth Ave., nr. 21st St., fifth fl. (2120398-2777); Th (8–8), F (8–6), S–M (10–6).
• Spring dresses, shorts, pants, and skirts are up to 70 percent off at the Alice + Olivia sample sale. Party dresses are $149 (originally $396), skirts are $99 (originally $253), and spring tops are $79 (originally $176). Through 6/7. 80 W. 40th St., nr. Fifth Ave. (212-840-0887); Th–F (8–8), S–Su (11–6), M (8–8).
• Current spring/summer clothing and footwear by Bless, Rachel Comey, VPL, and more are 35 percent off at Project No. 8 and No. 8b. Through 7/31. Project No. 8: 138 Division St., nr. Orchard St. (212-925-4271); T–W (1–8), Th–S (1–9), Su (1–8). No. 8b: 38 Orchard St., at Hester St. (212-925-5599); T–W (1–8), Th–S (1–9), Su (1–8).
• Early spring and summer clothing, shoes, and accessories are 25 to 35 percent off at Bird. Through 6/25. 203 Grand St., nr. Driggs Ave., Williamsburg, Brooklyn (718-388-1655); M-S (noon–8), Su (noon–7).
• Spring/summer dresses, gowns, and sportswear are up to 80 percent off at the Luca Luca sample and stock sale. 19 W. 36th St., nr. Fifth Ave. (212-920-1211); W–Th (9–6).
• New spring and summer merchandise is 40 to 60 percent off at Lyell's closing sale. 173 Elizabeth St., at Spring St. (212-966-8484); M–S (noon–7), Su (noon–6).