Hot Figure 4
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- Pure Yoga
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203 E. 86th St., nr. Third Ave.; 212-360-1888; $25 per class
Pure Yoga’s Figure 4 class was already one of the hardest of the ballet-bar bunch. Now they’re upping it, teaching in a 105-degree room.
Hot Pilates
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- Crunch
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113 Fourth Ave., at 12th St.; 212-533-0001; from $80 for monthly membership
Though it strays from the classic mat Pilates form, this hourlong midsection-focused class taught in a 100-degree room will likely leave your face red for an hour and your abs sore for days.
Hot Gravity Surfing
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- David Barton
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215 W. 23rd St., nr. Seventh Ave.; 212-414-2022; monthly member�ship from $128
This Vinyasa-style class taught in a 100-degree room incorporates the inversion-heavy sequences that flex the same muscles as you would while hanging ten.
Band ReDesign
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- Tracy Anderson
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24 Hubert St., nr. Greenwich St., third fl.; 212-965-1408; membership rates upon request
The full-body workout incorporates resistance bands and an 86-degree room to instantly warm up those less-worked muscles.
Silent D.J. Hot 90
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- Sacred Brooklyn
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197 Clifton Pl., nr. Bedford Ave., Bed-Stuy; 347-715-4112; $20 per class
This freestyle session for advanced hot yogis is sound- tracked by a communal iPod.
First, Buy a Sweatband
New heated workouts that make Bik�ram look boring.
From the