Skip to search results
loaded 2446 results
Fitness
(2,446 products)Products (2446)
Filter
- Training (2028)
- Workout Clothing (1269)
- Cross-Training Shoes (17)
- Swimming (409)
- Women's Swimwear (251)
- Men's Swimwear (170)
- Yoga (91)
- Yoga Gear (2)
- Triathlon (52)
- Indoor Cycling (29)
- Indoor Cycling Shoes (15)
- Bike Trainers (14)
- Beyond Yoga (63)
- Brooks (85)
- Patagonia (127)
- prAna (129)
- REI Co-op (92)
- Smartwool (68)
- Vuori (125)
- alder (1)
- ALPS Mountaineering (1)
- Altra (2)
- ALWRLD (33)
- amazfit (7)
- Amphipod (22)
- Andie (11)
- Arc'teryx (44)
- Bellroy (2)
- Beyond Yoga (63)
- BioLite (1)
- Birkenstock (11)
- Bivo (4)
- Black Diamond (12)
- Bobo's Oat Bars (7)
- Bodyglide (5)
- Boody Eco Wear (3)
- BOTE (1)
- Brompton (2)
- Brooks (85)
- BruMate (1)
- Burley (15)
- CamelBak (31)
- Carve Designs (28)
- Casio (1)
- CEP (8)
- CGear Multimats (1)
- Chamois Butt'r (4)
- Chubbies (15)
- Clif (5)
- Co-op Cycles (5)
- Columbia (14)
- COROS (9)
- Correct Toes (1)
- Cotopaxi (5)
- Craft (19)
- Cure Hydration (2)
- Db Journey (1)
- DMOS Collective (3)
- Eagle Creek (3)
- ExOfficio (1)
- Fair Harbor (6)
- Feedback Sports (1)
- Fidlock (3)
- Fishe (5)
- Fjallraven (4)
- FlipBelt (2)
- Fox (3)
- FP Movement (17)
- Free Country (25)
- Free Fly (10)
- Garmin (51)
- Garneau (1)
- Gazelle (1)
- Glyder (21)
- Gnarly Nutrition (5)
- GOREWEAR (19)
- Grayl (3)
- Gregory (8)
- Gripmaster (3)
- GU (12)
- Helly Hansen (20)
- Herschel Supply Co. (6)
- HOKA (11)
- Honey Stinger (13)
- Huma Gel (1)
- Hurley (3)
- Hydaway (1)
- HydraPak (15)
- Hydro Flask (19)
- Hyperice (13)
- Icebreaker (11)
- Janji (39)
- JBL (10)
- Jelly Belly (2)
- JOLYN (4)
- Kari Traa (7)
- Katadyn (3)
- Kate's Real Food (5)
- Klean Kanteen (9)
- La Sportiva (3)
- LifeStraw (7)
- LNDR (13)
- Lole (2)
- Look (3)
- Mammut (1)
- Marmot (2)
- Maurten (4)
- Merrell (2)
- Metolius (1)
- Mons Royale (1)
- Monster (1)
- Mountain Hardwear (14)
- MSW (1)
- Muir Energy (1)
- Nalgene (5)
- Nani Swimwear (18)
- Nathan (31)
- NEMO (8)
- Nike (22)
- Nite Ize (1)
- Nomadix (2)
- NRS (33)
- NUUN (10)
- O'Neill (36)
- Ocean Bottle (6)
- Oiselle (30)
- On (46)
- OOFOS (17)
- Osprey (18)
- Outdoor Research (14)
- Owala (2)
- Oya Femtech Apparel (1)
- Panache Sport (4)
- Patagonia (127)
- Peak Design (3)
- PEARL iZUMi (1)
- Petzl (1)
- Plant People (5)
- Platypus (3)
- Polar (5)
- Portland Design Works (1)
- prAna (129)
- Pro-Tec Athletics (23)
- PROBAR (3)
- Profile (3)
- Purist (2)
- PYNRS (8)
- Quantum Energy Squares (1)
- Rab (8)
- rabbit (48)
- REI Co-op (92)
- RHONE (39)
- Roark (24)
- RockTape (1)
- RONHILL (15)
- Roxy (3)
- Royal Robbins (1)
- Salewa (1)
- Salomon (51)
- Salsa (1)
- SaltStick (5)
- Saucony (1)
- Saxx (5)
- Sealskinz (1)
- SEPTEMBER (5)
- Shimano (6)
- Shokz (8)
- Skratch Labs (7)
- Skullcandy (3)
- Smartwool (68)
- So iLL (2)
- Soundcore by Anker (4)
- Splash Place (1)
- Spring Energy (3)
- Squirrels Nut Butter (5)
- SRAM (1)
- Stanley (4)
- Stio (10)
- Suunto (13)
- Sweaty Betty (11)
- Swift Industries (1)
- Tahoe Trail Bar (1)
- Tailwind Nutrition (10)
- tasc Performance (13)
- Ten Thousand (6)
- THE GEOPROJECT (1)
- The North Face (45)
- Threads 4 Thought (6)
- Thule (49)
- TIEM (4)
- Tiger Tail USA (9)
- Toad&Co (2)
- TomboyX (10)
- Topo Athletic (2)
- Topo Designs (1)
- Trigger Point Performance (9)
- TYR (30)
- UltrAspire (1)
- Umbo (1)
- Under Armour (8)
- UPPAbaby (8)
- Veer (51)
- VISSLA (13)
- Vittoria (1)
- Vivobarefoot (3)
- Vuori (125)
- Wahoo Fitness (11)
- Wild Rye (1)
- woom (1)
- Xero Shoes (3)
- YES Bar (1)
- YETI (12)
- Zempire (1)
- Zensah (1)
- Zipp (2)
- $0.00 to $9.99 (96)
- $10.00 to $19.99 (98)
- $20.00 to $49.99 (801)
- $50.00 to $99.99 (1053)
- $100.00 to $199.99 (423)
- $200.00 to $499.99 (108)
- $500.00 to $749.99 (23)
- $750.00 to $999.99 (17)
- $1000.00 to $1999.99 (20)
- $2000.00 to $5000.00 (3)
- XXS (62)
- XS (969)
- Small (1214)
- Medium (1144)
- Large (1176)
- XL (1213)
- 0 (5)
- 00 (2)
- 2 (28)
- 3 (4)
- 4 (35)
- 4.5 (1)
- 5 (17)
- 5.5 (3)
- 6 (56)
- 6.5 (20)
- 7 (36)
- 7.5 (20)
- 8 (71)
- 8.5 (29)
- 9 (53)
- 9.5 (29)
- 10 (69)
- 10.5 (17)
- 11 (49)
- 11.5 (11)
- 12 (51)
- 12.5 (6)
- 13 (20)
- 14 (37)
- 15 (9)
- 16 (14)
- 28 (4)
- 30 (3)
- 32 (2)
- 34 (2)
- 36 (2)
- 38 (2)
- 40 (2)
- 42 (1)
- 44 (1)
- 18W (9)
- 1X (45)
- 20W (9)
- 22W (7)
- 24W (8)
- 26W (12)
- 28 Waist (22)
- 29 Waist (15)
- 2X (63)
- 2XL (707)
- 30 Waist (25)
- 31 Waist (14)
- 32 B (2)
- 32 C (6)
- 32 D (8)
- 32 DD (7)
- 32 DD/E (1)
- 32 E (5)
- 32 F (4)
- 32 FF (2)
- 32 G (2)
- 32 GG (2)
- 32 H (2)
- 32 HH (1)
- 32 J (1)
- 32 Waist (26)
- 33 Waist (20)
- 34 B (2)
- 34 C (6)
- 34 D (7)
- 34 DD (7)
- 34 DD/E (1)
- 34 E (4)
- 34 F (4)
- 34 FF (3)
- 34 G (2)
- 34 GG (3)
- 34 H (2)
- 34 HH (1)
- 34 J (1)
- 34 Waist (25)
- 35 Waist (1)
- 36 B (2)
- 36 C (6)
- 36 D (7)
- 36 DD (7)
- 36 DD/E (1)
- 36 E (5)
- 36 F (5)
- 36 FF (4)
- 36 G (3)
- 36 GG (2)
- 36 H (2)
- 36 HH (1)
- 36 Waist (26)
- 38 B (2)
- 38 C (6)
- 38 D (7)
- 38 DD (9)
- 38 DD/E (1)
- 38 E (5)
- 38 F (5)
- 38 FF (4)
- 38 G (4)
- 38 GG (4)
- 38 H (2)
- 38 Waist (24)
- 3X (53)
- 3XL (102)
- 40 A/B (1)
- 40 B (2)
- 40 C (5)
- 40 C/D (1)
- 40 D (7)
- 40 DD (8)
- 40 DD/E (1)
- 40 E (4)
- 40 F (5)
- 40 FF (3)
- 40 G (3)
- 40 GG (1)
- 40 Waist (13)
- 42 E (1)
- 42 F (1)
- 42 FF (1)
- 42 Waist (1)
- 44 Waist (3)
- 4X (6)
- 4XL (8)
- 5X (6)
- 6X (8)
- L A-C (2)
- L D-DD (2)
- M - XL (1)
- M A-C (2)
- M D-DD (2)
- One Size (7)
- S A-C (2)
- S D-DD (2)
- XL A-C (3)
- XL D-DD (2)
- XS A-C (2)
- XS D-DD (2)
- XXS A-C (1)
- 0 to 0.49 (549)
- 0.5 to 0.99 (232)
- 1 to 1.49 (81)
- 1.50 to 2.99 (102)
- 3 to 4.99 (44)
- 5 to 7.99 (8)
- 8 to 11.99 (5)
- 12 to 19.99 (4)
- 20 to 29.99 (14)
- 30 to 49.99 (15)
- 50 to 74.99 (2)
- 75 to 99.99 (1)
- 100 to 1000 (1)
- Active Pursuits (25)
- AFO (2)
- Allpa (3)
- Alpenglow (1)
- Arcane (1)
- Arizona (6)
- Baggies (6)
- Base Camp (9)
- Becksa (2)
- BeFree (3)
- Big Haul (5)
- Black Hole (4)
- Bloks (2)
- Bondi (2)
- Capilene (51)
- Chariot (13)
- Chaser (11)
- Class V (3)
- Clementine (1)
- ColdGear (1)
- Cormac (9)
- Cruiser (17)
- Dare (1)
- Daylite (3)
- Delta (10)
- Distance (13)
- Eddy (1)
- Enduro (1)
- EZ (12)
- Fenix (6)
- Ferrosi (1)
- Flash (2)
- Forerunner (5)
- G-Shock (1)
- Glide (7)
- Go Series (5)
- Groundwork (2)
- Halo (15)
- Headlamp (1)
- HeatGear (2)
- High Coast (1)
- Houdini (4)
- Hydropeak (5)
- Hyperfreak (9)
- Hypervolt (3)
- IceFlow (4)
- Incendo (5)
- inReach (1)
- Instinct (6)
- Intraknit (12)
- Kanken (1)
- KICKR (8)
- Launch (2)
- Liquid Energy (1)
- Maipo (8)
- Mayari (1)
- Merino Sport (5)
- Nano-Air (1)
- Norvan (11)
- Ora (4)
- PFG (10)
- Podium (11)
- Ponto (7)
- R1 (7)
- Rambler (6)
- Renew (6)
- Roadtripper (4)
- Roctane (2)
- Roundtrip (2)
- Sahara (11)
- Sleek (3)
- Spacedye (38)
- Strider (2)
- Stryder (1)
- Summit Series (7)
- Sunriser (6)
- Supply (4)
- Sustain (10)
- Swiftland (32)
- Switchback (16)
- Tacx (4)
- Take Your Time (1)
- Tarn (1)
- Terrebonne (3)
- Trail Glove (1)
- Transporter (8)
- Twisted (3)
- Venu (2)
- Viaje (1)
- Vivo (2)
- Wavefarer (2)
- Yonder (6)
- bluesign (198)
- Certified Organic (15)
- Climate Label Certified (257)
- Fair Trade (230)
- Organic Fibers (29)
- Recycled Materials (798)
- Responsibly Sourced Wool (5)
- Deals (1090)
- Moisture Wicking (913)
- Quick Drying (834)
- Top Rated (608)
- Sun-Protective Fabric (453)
- New Arrivals (220)
- Made in USA (186)
- BPA Free (166)
- Thumbholes (146)
- Packable (99)
- Merino Wool (98)
- Insulated (95)
- Vegan (87)
- Gluten Free (83)
- Fits In Cup Holder (78)
- Backpack Straps (76)
- Vegetarian (76)
- HRM Included/Integrated (72)
- Wireless Sync (69)
- Reflective (65)
- Swimming Functions (65)
- Tracks Steps (64)
- Sleep Tracking (64)
- Tracks Distance (62)
- Tracks Calories Burned (62)
- Smart Device Notifications (62)
- Adjustable Straps (62)
- Cycling Functions (61)
- Tracks Speed (60)
- Compass (58)
- Non-GMO (58)
- Pulse Oximeter (56)
- VO2 Max Estimate (55)
- Programmable Routes (52)
- Removable Cups (52)
- Waterproof (37)
- Compression (33)
- Carry-On (27)
- Back Closure (27)
- Wireless (27)
- Collapsible (25)
- Adjustable Handle (24)
- Organic (23)
- Volume Control (23)
- Parking Brake (19)
- Reclining (15)
- SPD Compatible (14)
- Field Cleanable (11)
- 2-Way Zipper (10)
- Laptop Compartment (9)
- Solar-Powered (9)
- Optional Conversion (9)
- Look Mountain Compatible (9)
- Traction Tread (8)
- Software Controlled (7)
- Time Mountain Compatible (7)
- Crankbrothers Compatible (7)
- Foldable (6)
- Running Brake (6)
- Regulated Output (5)
- Preloaded Geocaches (4)
- User Replaceable Battery (3)
- Red Light Mode (3)
- Underwire (3)
- Side Cargo Pockets (2)
- Insect Repellent (1)
- Ultralight (1)
- Time Road Compatible (1)
- Speedplay Compatible (1)
- SPD-SL Compatible (1)
- Look Road Compatible (1)
- Biodegradable (1)
- iPad / Tablet Compartment (1)
- Fitness (1319)
- Running (841)
- Multisport (316)
- Watersports (222)
- Swimming (181)
- Hiking (172)
- Casual (162)
- Trail Running (155)
- Travel (126)
- Yoga (91)
- Walking (87)
- Fitness Recovery (64)
- Cycling (59)
- Indoor Cycling (30)
- Camping (27)
- Fishing (26)
- Paddling (15)
- Backpacking (15)
- Climbing (11)
- Surfing (8)
- Road Cycling (8)
- Mountain Biking (6)
- Triathlon (6)
- Scuba Diving (4)
- Recreational Cycling (3)
- Cross-country Skiing (3)
- Snowboarding (2)
- Downhill Skiing (2)
- Bouldering (2)
- Snowsports (1)
- Snowshoeing (1)
- Rock Climbing (1)
- Solid (974)
- Novelty (91)
- Graphic (49)
- Floral (47)
- Striped (44)
- Print (42)
- Colorblock (42)
- Camouflage (21)
- Tie Dye (4)
- Plaid (3)
- Sleeveless (124)
- Cap Sleeve (3)
- Short Sleeve (169)
- Long Sleeve (327)
- Cotton / Cotton Blend (43)
- Wool / Wool Blend (87)
- Hemp / Linen / Blend (1)
- Nylon / Nylon Blend (448)
- Polyester / Polyester Blend (1017)
- Rayon / Rayon Blend (22)
- Synthetic Blend (1)
Sort: Best Match
View:
- PatagoniaWind Shield Pants - Men's$179.00(6)6 reviews with an average rating of 4.0 out of 5 stars
- OiselleFlyout Long-Sleeve Top - Women's$56.83Save 40%compared to $96.00(9)9 reviews with an average rating of 4.1 out of 5 stars
- Tailwind NutritionEndurance Fuel Drink Mix - 30 ServingsTop Rated$31.95(3709)3709 reviews with an average rating of 4.9 out of 5 stars
- OOFOSOOmega OOahh Sandals - Women's$89.95(10)10 reviews with an average rating of 4.2 out of 5 stars
- Muir EnergyEnergy Gel$3.30(88)88 reviews with an average rating of 4.0 out of 5 stars
- PatagoniaMaipo 7/8 Stash Tights - Women's$119.00 - $125.00(15)15 reviews with an average rating of 4.4 out of 5 stars
- GULiquid Energy Gel$2.50(63)63 reviews with an average rating of 4.2 out of 5 stars
- Tailwind NutritionEndurance Fuel Drink Mix - 50 ServingsTop Rated$43.00(3694)3694 reviews with an average rating of 4.9 out of 5 stars
- VuoriSedona Sweatpants - Women'sTop Rated$98.00(8)8 reviews with an average rating of 4.9 out of 5 stars
- GUGluten-Free Stroopwafel$1.50(119)119 reviews with an average rating of 4.4 out of 5 stars
- OiselleHi Twenty Bra$68.00(4)4 reviews with an average rating of 5.0 out of 5 stars
- Panache SportEndurance Wired Sports Bra$84.00(12)12 reviews with an average rating of 4.4 out of 5 stars
- tasc PerformanceCarrollton Long-Sleeve Fitness T-Shirt - Men'sTop Rated$54.00(24)24 reviews with an average rating of 4.5 out of 5 stars
- TYRLong Hair Swim Cap$17.50(28)28 reviews with an average rating of 3.7 out of 5 stars
- NUUNSport Hydration Tablets - 10 ServingsTop Rated$7.50(157)157 reviews with an average rating of 4.7 out of 5 stars
- SmartwoolSmartloft Pull-On Skirt$110.00(20)20 reviews with an average rating of 4.5 out of 5 stars
- Bobo's Oat BarsOat BarTop Rated$3.50(499)499 reviews with an average rating of 4.8 out of 5 stars
- JOLYNCaroline Onesie Swimsuit - Women's$72.00 - $82.00(1)1 reviews with an average rating of 5.0 out of 5 stars
- SalomonSHKout Core 5" Shorts - Men'sTop Rated$55.00 - $60.00(9)9 reviews with an average rating of 4.9 out of 5 stars
- SalomonSense Aero Hybrid Cropped Pullover - Women'sTop Rated$76.93 - $110.00(7)7 reviews with an average rating of 5.0 out of 5 stars
- AmphipodHydraform Minimalist Handheld Water Bottle - 20 fl. oz.$24.95(33)33 reviews with an average rating of 4.3 out of 5 stars
- On3" Performance 2-in-1 Shorts - Women's$55.93 - $80.00(2)2 reviews with an average rating of 5.0 out of 5 stars
- AndieThe Mykonos One-Piece Swimsuit - Women's$112.00(829)829 reviews with an average rating of 4.5 out of 5 stars
- BrooksLuxe T-Shirt - Women'sTop Rated$50.00(34)34 reviews with an average rating of 4.6 out of 5 stars
- StanleyIceFlow AeroLight Vacuum Water Bottle with Fast Flow Lid - 36 fl. oz.$32.93 - $45.00(325)325 reviews with an average rating of 4.4 out of 5 stars
- prAnaMallorca One-Piece Swimsuit - Women's$57.73Save 47%compared to $110.00(1)1 reviews with an average rating of 3.0 out of 5 starsREI OUTLET
- GUEnergy Gel Multipack - Package of 24$48.00(40)40 reviews with an average rating of 4.2 out of 5 stars
- OnCore Long-T Shirt - Women's$48.93 - $70.00(1)1 reviews with an average rating of 3.0 out of 5 stars
- VuoriLux Racerback Tank Top - Women's$38.93Save 20%compared to $49.00(2)2 reviews with an average rating of 4.0 out of 5 stars
- rabbitSpeedsters 9" Half Tights - Men'sTop Rated$70.00(11)11 reviews with an average rating of 4.9 out of 5 stars
1,201–1,230 of 2,446 products
Sort: Best Match
Related Expert Advice articles
REI Co-op staffers share their favorite mats, blocks, cleaner and apparel for yoga. Find the perfect yoga gear for your home or studio practice.
There’s a fitness tracker for every user and every budget. Check out our top picks for hiking, running and more.
Our guide to gear and clothing will get you up and running (and swimming and biking) for your next triathlon.
Whether they love the trail or just get out in the city for a quick jog, find the perfect gift for the runner in your life.
Read full article: The Best Gifts for Runners | 2025 Holiday Gift Guide
It’s not hard to find active swimwear that is both functional and flattering. Get tips on what to look for when choosing men's and women's swimsuits.
Here are our favorite reusable water bottles for hiking, running, cycling, everyday use and more. Find the best water bottle at REI from YETI, Hydro Flask, Ocean Bottle and more.
Read full article: The 11 Best Water Bottles of 2025: Staff Picks